I've bought over $500 worth of Bitcoin from him in the past few weeks so I'll have to give him my vouch for this.
A vouch doesn't guarantee repayment. Does it?
Either way, you still need to provide a valid collateral. Someone trusted here in the forum once ran away with a bunch of coins from people who trsuted him.
I don't see why someone with a stable business making over a few thousand a month would run with $100?