The amount you mentioned in the post will be quite nice and achievable for your target of $5,000 a month. As it is a possible amount and even i can say you can get a profit more than the amount you mentioned for a month. I'm also a day trader and since i have small capital but i also earn a lot from that small capital too.
I personally think this is a very difficult thing, involving psychological, technical, and market conditions. Do you have any good investment strategies you can share?