he is willing to go in 2morro at 10 oclock with cash wack it in so if i give my details can he gain or request with draw any money back once in ?

the parts he is getting of me are all new in boxs never used and im sendin via parcel line

becus of the amount im worried he may try a fast 1 and get money back
i no there are honest ppl around but im already losing monmey on goods so wish to lose no more

thanks for help so far