Mortgage interest (up to a certain ceiling) is always deductible in the US, whether or not you are working from home. If a certain part of your home is set aside for business use, you can also deduct a proportional slice of your real estate taxes, depreciation, and various other things, but not, it appears, the principal.
Self-Employment tax applies even if you wind up not owing any income tax. You get the benefit of being able to deduct business expenses, which employees can't do, but that usually doesn't make up the difference.
Thanks for explaining that! I've been self employed for 6-7 years and I never could figure out the reason why this was (never really took the time to)
Obviously that means employers offer lower salaries since they care about the total cost to them not the actual salary amount. So it's not really a bad deal for free lancers, just the amount you get paid has to be/sound higher to make things equivalent.
Freelancers on the other hand have to take taxes out of their income themselves, so what starts out looking like high pay is actually less than it looks. The danger in freelancing is forgetting about taxes and living right up to the extent of your means.
I'm simplifying here, but there's something called FICA, which is about 15.2% of your pay. Typically employees have 7.6% withheld, and employers chip in the other 7.6%. It's effectively never paid or counted to the employee in the first place. Someone earning 100k at an employer would see $7600 paid in FICA. A self-employed person has to pay $15200 on the same $100k income (but half of that tax is deductible for other tax calculations - it gets convoluted!)
So... self-employed people are paying 'more' , but the net effect of what the gov't get is the same. You just don't see some of that money as a typically w2 employee.