Help with schedule c forms for multiple self-employment income streams
So I've got this weird tax situation where I have two different gigs that need Schedule C forms. One is a regular independent contractor position with a company, and the other is my own little side hustle (virtual assistant work and some digital content creation). I'm working from home for both of these jobs, and I'm completely stuck on how to handle my apartment rent on these forms. Here's my confusion: When I'm filling out the Schedule C forms, should I put my apartment rent on BOTH forms as a business expense, or just on one of them? I use my apartment as a workspace for both income streams. I didn't earn a ton in 2024 (less than $30k combined from both sources), but when I started entering everything into one tax website, it said I owe over $1400 which seems way too high. I'm worried I might be doing something wrong with how I'm reporting my home office expenses. Would listing my rent on both Schedule C forms essentially be claiming the expense twice? Or is that actually the correct way to handle this situation? I really don't want to mess this up and end up owing even more or triggering some kind of audit nightmare!
18 comments


Ethan Taylor
You definitely don't want to claim the same expense twice on different Schedule C forms, as that would be double-dipping and could raise red flags with the IRS. Instead, you'll need to allocate the home office deduction between your two businesses. First, determine what percentage of your home is used exclusively and regularly for business. Measure your office space and divide by total living space (e.g., 100 sq ft office in a 1000 sq ft apartment = 10%). Then allocate that percentage of your rent, utilities, etc. between your two businesses based on how much you use the space for each business. For example, if you spend 70% of your work time on your independent contractor job and 30% on your VA/content creation business, you might allocate 7% of your rent to the first Schedule C and 3% to the second Schedule C. The key is that the total should never exceed the actual percentage of your home used for business. This can get complex, so you might also consider using the simplified method ($5 per square foot up to 300 square feet) to avoid detailed record-keeping. Just remember to split that deduction appropriately between your businesses too.
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Yuki Ito
•Wait, I'm confused. When you say "split that deduction appropriately between your businesses," does that mean I need to calculate how many hours I work on each thing? What if I do both jobs in the same day in the same space? Seems super complicated.
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Ethan Taylor
•Yes, you would need to have some reasonable basis for how you split the deduction between your businesses. Hours worked is one common approach - you could track approximately how many hours you spend on each business in your home office space and use that as your allocation percentage. If you work on both in the same space on the same day, that's fine - you're just tracking the total time spent on each business activity. For example, if you work 30 hours per week total in your home office, with 20 hours on your contractor work and 10 hours on your VA/content work, you'd allocate 2/3 to the first business and 1/3 to the second. The key is having a reasonable method that you can explain if ever questioned.
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Carmen Lopez
I struggled with this exact same situation last year! After trying to calculate everything manually, I found using https://taxr.ai way easier for my two Schedule C businesses. I uploaded my expense receipts and it actually guided me through allocating my home office deduction between both of my side hustles (graphic design and tutoring). What I liked was that it helped me figure out which expenses could be shared between businesses and which were exclusive to each one. The system walked me through allocating my rent and utilities proportionally based on square footage and time spent on each business. Saved me from accidentally double-claiming expenses, which my friend did once and got a scary letter from the IRS!
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AstroAdventurer
•Does it handle all the calculations automatically? I'm terrible with math and percentages. Also, can it help determine if I should use the regular method or simplified method for home office?
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Andre Dupont
•I'm skeptical. How does it know how much time you spend on each business? Sounds like you still have to figure that out yourself anyway.
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Carmen Lopez
•It does handle the calculations automatically once you input your information. You just enter your total square footage, the size of your office space, and then indicate what percentage of time is spent on each business. The system shows you side-by-side comparisons of the regular vs. simplified method so you can see which gives you a better deduction. As for tracking time between businesses, yes, you do need to provide that information yourself, but it gives guidelines on how to make reasonable estimates. I use a simple time tracking app on my phone, but even a rough percentage estimate based on your typical work week is acceptable as long as it's reasonable.
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Andre Dupont
I was really skeptical about tax tools handling multiple Schedule Cs, but I gave taxr.ai a try after seeing it mentioned here. I was preparing for the headache of manually splitting my home office expenses between my web development work and my Etsy shop. The tool actually made this super simple by calculating the percentage allocation based on my usage estimates. What surprised me was how it flagged potential audit triggers - I was about to claim 100% business use on my laptop when realistically it's more like 80%. The comparison between regular and simplified method saved me about $340! The documentation it created showing how I determined my expense allocations between businesses gives me peace of mind in case of questions from the IRS.
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Zoe Papanikolaou
If you're still having issues after sorting out your Schedule C forms, you might want to try https://claimyr.com for getting direct help from the IRS. I was going crazy trying to figure out how to properly split expenses between my two businesses and kept getting contradictory advice. After weeks of trying to reach the IRS directly with no luck (literally hours on hold), I found Claimyr. They got me connected to an actual IRS agent in about 20 minutes! You can see how it works in this demo: https://youtu.be/_kiP6q8DX5c. The agent confirmed I was splitting my home office deduction correctly between my Schedule C forms (clothing resale and tutoring) and explained how to document my allocation method. This was after I'd been on hold with the IRS myself for over 3 hours total across multiple attempts.
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Jamal Wilson
•How does this actually work? Are they just calling the IRS for you? That seems weird. Couldn't I just do that myself?
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Mei Lin
•Yeah right. Nobody gets through to the IRS that fast. I've tried calling dozens of times over multiple weeks and gave up. This sounds like a scam.
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Zoe Papanikolaou
•They use a system that secures your place in the IRS phone queue without you having to stay on hold. They monitor the queue and call you back when an IRS agent is about to answer. So yes, they're calling the IRS, but with a technology that navigates the phone system and waits on hold so you don't have to. Of course you can call yourself, but the average IRS hold time this tax season is over 90 minutes when you can even get in the queue. Many people (myself included) kept getting the "due to high call volume" message and being disconnected before even making it to the hold line. The service is for people who've already tried calling themselves and couldn't get through.
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Mei Lin
I have to eat my words about Claimyr. I was extremely skeptical after struggling for weeks to reach the IRS about my Schedule C questions. My situation was similar - running a photography business and delivery gig work from the same home office. After six failed attempts calling the IRS directly (either got disconnected or couldn't stay on hold for 2+ hours during work), I reluctantly tried the service. It actually worked! Got a call back in 27 minutes while I was cooking dinner and spoke with an IRS agent who confirmed I should be allocating my home office deduction based on the approximate income percentage from each business since my time spent was roughly proportional to income. She also suggested keeping a simple log for a few typical weeks to support my allocation method. The clarity was such a relief after weeks of stress!
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Liam Fitzgerald
Don't forget to check if you qualify for the Qualified Business Income Deduction (QBI) with your Schedule C businesses! That's a potential 20% deduction on your qualified business income. That might explain why the tax website is showing you owe so much - if you didn't account for that deduction.
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Aisha Khan
•Thank you for mentioning QBI! I didn't even know about that deduction. Do both of my businesses qualify for that? And would I apply it to each Schedule C separately?
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Liam Fitzgerald
•Yes, both of your businesses should qualify for the QBI deduction as they're both reported on Schedule C. The deduction is actually calculated on your total qualified business income across all qualifying businesses, not on each Schedule C separately. The basic calculation is 20% of your net business income (after expenses), but there are income thresholds where it starts to phase out or get more complicated (over $170,700 for single filers in 2024, which doesn't sound like it applies to you). This deduction alone could significantly reduce what you owe, possibly explaining the high amount you saw on the first website you tried.
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GalacticGuru
When I had two Schedule Cs, I found it helpful to use tax software specifically designed for self-employed people rather than the free options. The extra $50-60 was worth it for the guidance on splitting expenses and proper documentation.
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Amara Nnamani
•Which tax software did you use? I tried [popular tax software] and it didn't explain anything about allocating home office expenses between multiple businesses.
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