Just to clarify, there has been contact on and off, this is not a case of me giving him money and him instantly falling off the face of the earth.
I always want to back up what Dan said about the forum, it's important that these deals work out as the whole selling/trading malarkey here works on trust.
There is clearly some serious stuff happening in Gareth's life at the moment, or at least it seems very serious to him from whatever mental state he's currently in (not necessarily drugs).
Basically, I don't know what to do. It's only £130 and I'm not sure the hassle of court is worth it although I really have no clue about the realities of that sort of action. I also would feel like a bit of dick about it, although that's pretty stupid.
I could go to his house and just take the cab, but the cost of travel would be at least half the value of the cab.