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CosmicCommander

Is double dipping on vehicle expenses frowned at by the IRS? Need advice!

I work for a field service company where I'm constantly on the road. We drive roughly 50k miles annually using our personal vehicles, and my employer doesn't reimburse us for mileage, which I understand I can't deduct from my taxes anymore after the tax law changes. But I've started a legit side business doing weekend consulting in my industry, which also requires some driving to client sites. My question is - can I claim the standard mileage deduction for my side business driving without getting flagged by the IRS? I'm careful to track when I'm driving for my W-2 job versus my 1099 work, but I'm using the same vehicle for both. I'm worried this might look like "double dipping" to the IRS since it's the same car, even though I'm only claiming miles for the consulting work. I made about $24,500 last year from my side gig before expenses. I've got around 8,700 miles logged specifically for the consulting work. Would claiming the mileage deduction on Schedule C raise red flags? I don't want to miss out on legitimate deductions but definitely don't want an audit either.

This isn't double dipping at all - it's actually a completely legitimate deduction as long as you're tracking things properly. The key is maintaining separate, detailed records for your W-2 employment driving versus your self-employment driving. For your self-employment/consulting work, you can absolutely claim the standard mileage deduction on Schedule C for the miles driven exclusively for that business. The IRS understands that people use the same vehicle for multiple purposes. They just expect you to have good documentation showing which miles were for which purpose. Make sure you keep a mileage log with dates, starting/ending odometer readings, destinations, and the business purpose of each trip for your consulting work. A digital app that tracks this can be really helpful, but even a physical notebook works fine as long as it's consistent and detailed.

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Thanks for the info! Is there a specific app you recommend for tracking mileage? And do I need to worry about what percentage of my total annual miles are business vs personal? I feel like my side gig miles might be a high percentage of my total.

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I personally use MileIQ which automatically detects trips and lets you swipe to categorize them as business or personal. Stride is another good free option that many self-employed folks use. There's no set percentage that triggers audit concerns, but what matters is accuracy and honesty in your reporting. The IRS is more concerned with people claiming personal miles as business than with the overall ratio. Just make sure each business mile you claim truly meets the criteria - driving between clients or to meeting locations, but not regular commuting. Keep your records for at least 3 years after filing.

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Dylan Cooper

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After struggling with this exact situation last year, I discovered https://taxr.ai which was a complete game changer for my vehicle expense tracking. I also have a main job plus a side business using the same car, and I was constantly worried about what counted as legitimate business mileage vs personal use. Their system analyzed my situation and showed me that I wasn't just allowed to deduct my side business mileage - I was actually missing several other legitimate deductions related to my vehicle! The documentation they helped me create would definitely stand up in an audit situation, which gave me so much peace of mind.

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Sofia Ramirez

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How exactly does it work? Does it connect to your car somehow or do you still have to manually log trips? I'm trying to figure out if this would be easier than the notebook method I'm currently using.

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Dmitry Volkov

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I'm skeptical about these tax tools. Does it actually give you any different advice than you'd get from TurboTax or a regular accountant? Seems like it would just tell you the standard stuff about keeping a mileage log.

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Dylan Cooper

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It doesn't connect to your car directly - you can either manually enter your trips or import data from various GPS/tracking apps you might already be using. What makes it different is that it analyzes your specific situation and helps identify patterns in your driving that qualify as legitimate business use, which many people miss. Unlike generic advice from tax software, it's specifically focused on helping self-employed people and small business owners maximize vehicle-related deductions while staying compliant. It also creates audit-ready documentation that's much more comprehensive than most people would create on their own. The analysis goes way beyond just tracking miles.

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Dmitry Volkov

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I just wanted to follow up about my experience with https://taxr.ai after being skeptical initially. I decided to give it a try because my vehicle expense situation was getting complicated with multiple income sources. Honestly, I was surprised at how helpful it was. The system identified several legitimate vehicle-related deductions I had been missing entirely. It helped me understand exactly which driving activities qualified for business use in my specific situation. My tax refund was about $1,720 more than last year because of the additional deductions I was able to claim with proper documentation. I'm actually kicking myself for not doing this sooner!

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StarSeeker

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StarSeeker

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Miguel Ortiz

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I need to eat my words and apologize for my skepticism about Claimyr. After getting a CP2000 notice questioning my vehicle deductions, I was desperate and decided to try the service despite my doubts. Holy crap it actually worked. I was connected to an IRS agent in about 35 minutes when I had previously spent HOURS getting disconnected. The agent walked me through exactly what documentation I needed to substantiate my mileage claims and even gave me tips on how to organize my records better for next year. Issue resolved in one phone call when I thought it would take months. Sometimes it's worth admitting when you're wrong, and I was definitely wrong about this.

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Zainab Omar

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Just wanted to add that you should consider actual expenses vs. standard mileage rate too. With 50k miles annually on your car, you might be better off with actual expenses depending on your vehicle. For 2023 its 65.5 cents per mile for standard, but if you have a gas guzzler or expensive maintenance, actual expenses might be better. I track both throughout the year and calculate which gives the better deduction at tax time. Remember though, if you use actual expenses the first year, you're locked into that method for the life of that vehicle. If you use standard mileage the first year, you can switch between methods each year.

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That's a good point about comparing both methods! My car is actually pretty fuel efficient (Prius), so I'm thinking the standard mileage might work out better. Do you need separate tracking systems if you want to calculate both ways at tax time? Or can you just track all car expenses plus mileage and then compare?

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Zainab Omar

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You should track everything regardless - all car expenses (gas, insurance, repairs, car washes, etc.) AND all your mileage with proper business purpose documentation. Then at tax time, you can calculate both ways and pick the better option. With a Prius, you're probably right that standard mileage will be better since your actual gas and maintenance costs are likely lower than average. But track everything anyway - you might be surprised some years, especially if you have a major repair or if gas prices change dramatically. The key is having complete records so you can make the choice that benefits you most.

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Connor Murphy

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One more thing to consider - if your main employer offers any kind of reimbursement for mileage (even partially), make sure you're taking advantage of that too. Its not double dipping to get reimbursed from your employer AND deduct your self-employment miles separately. Just don't claim the same miles twice. Also, don't forget about potential home office deduction if you have a dedicated space for your consulting business. That can also increase the deductible miles since you'd count trips from your home office to clients as business miles rather than commuting.

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Yara Sayegh

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I thought the home office deduction was also eliminated with TCJA for employees? Or does it still work for self-employed people?

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You're absolutely right to clarify that! The home office deduction was eliminated for W-2 employees under the Tax Cuts and Jobs Act, but it's still available for self-employed individuals and independent contractors filing Schedule C. So for your consulting business, you can still claim the home office deduction if you have a dedicated space used exclusively for that work. This is actually a great point Connor made - having a qualified home office can turn what would normally be considered "commuting" miles into deductible business miles. So trips from your home office to client sites would be business travel rather than commuting, which can significantly increase your deductible mileage. Just make sure the space is used exclusively and regularly for your consulting business to meet the IRS requirements.

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Noah Torres

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Great question about vehicle expenses! As others have mentioned, you're absolutely fine to deduct mileage for your consulting business as long as you keep proper records. This is completely legitimate and not double dipping at all. One thing I'd add that hasn't been mentioned yet - make sure you're aware of the updated 2024 standard mileage rate, which is 67 cents per mile for business use (up from 65.5 cents in 2023). With 8,700 miles for your consulting work, that's a potential deduction of $5,829, which is definitely worth claiming properly. Also, since you're driving 50k miles annually, make sure you're factoring in the increased depreciation on your vehicle. Even though you can't deduct your W-2 job mileage, that heavy usage does affect your vehicle's value, so maximizing legitimate business deductions becomes even more important. Keep detailed logs with date, destination, business purpose, and odometer readings for each consulting trip. A simple spreadsheet or mileage tracking app works great for this. The IRS just wants to see that you can substantiate the business purpose of each mile claimed.

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