He has a good P.R. machine, but as good as his products may appear in photos and video he's posted, they are almost reliably terrible quality in person (small, deformed, poorly-cast). There are a number of photograph examples in the thread for Bob I've linked below. He has a reputation for being disreputable because he has copied the work of other prop makers without permission, and a number of the people close to him in his workshop have also been caught and banned from this forum for recasting:
Blacklisted Sellers ListBob's Prop Shop - Videobob - Robert (Bob) Moseley And his noted collaborators/associates:
Raine Moreno (AKA trendkiller, AKA recastrelics, AKA Stark's Prop Shop)
Kelsey Hayes (AKA Propcrazed)
Thiago Nascimento (AKA GBFreak83)
Max-Olivier Michel (AKA Languages, AKA guimauve) - A noted past connection with Videobob