Since you are good friends with the vendor it should be no issue. I offered you 0.1 BCH to prove you did not try to scam. https://realbitcoin.cash/post/110265
Okay, while you stop making noise... I'll stop by the store sometime soon, and the same merchant will keep those funds you're talking about.
Jahvier, this guy really wants to make you waste more time, let him pay for it, there is that QR on Tonys poster, he can use that to make a payment upfront so you at least eat a Burger