I paid for an accountant last year and he saved me a load of money. He helped me setup a solo 401k and I was able to put a bunch of money in there and deduct it from my taxes.
This year though my income went way down and I'm just going to use last year's tax return as a template to do it myself.
If you made $50k or less, I think it is easiest to just fill out the schedule B (I think that is the business one?) and deduct all your expenses on your own.
If you are still paying a bunch of taxes, you should definitely start putting money into retirement accounts (ira, roth ira, sep, solo 401k, etc..)
If you have lots and lots of money coming in 200k+ I think (not totally sure) it's best to set up some sort of corp.
(I'm not a tax professional or financial planner, see an accountant or other professional, blah, blah.)