Tax Time- What do I do?

[Tim Markland]

So my dad and I flipped our first house last year and we each made $15K from the deal.  It's now time to do the taxes and I haven't received any kind of tax information in the mail.  The money that I did make from that sale went right back to my parents to pay off money they had let me borrow as well as paying off some credit card debt. 

So what should I do?  Should I even claim that income on my taxes?  Should I drop Turbo Tax and go to a tax company? 

For the future, what percentage of the proceeds should I put away for paying taxes?