I know i would do it for like BTC200 that right now is like $2,000 and that is fair for a site like that
This estimate is out by at least one order of magnitude.
Remember I am going off what a free lancer would get paid and that is a pretty big site, but what would think would be a fair price?
At minimum, a site like the one linked would cost $20k to launch. $80k+ is more likely, depending on requirements.
The other option is some $15/h offshore development company, with which it will cost $10k over 12 months to never launch.