I'd be more curious as to why you're making impulse purchases on junk..
Either way, I'd grab what you can, since you already paid. Or, hire a truck to pick it up, u-haul, a trailer hitch, whatever.. If not, just tell him you can't. Don't not tell him, though.
_________________
If Jesus died for my sins, then I should sin as much as possible, so he didn't die for nothing.