I'm not really thinking about money yet because $100 to get it lowered isn't much and $100 for a short ram and $100 for a new header isn't that much.

I don't have the money to get an engine swap since I don't have tools nor the money for forced induction. I do have the money to do mods on my own.

Where should I look for a new cam? If ebay, what should I search for and could you show me an example for my 91 accord on ebay?
What are some other mods other than CAI, short ram, and header that I can do at home?