Absolutely brilliant idea....if anyone wants my opinion.
After all, Joe Bloggs' one-man flying school who needs another instructor on a few busy summer weekends isn't going to take a banner ad, is he? Neither is one of Joe Bloggs' ex-students, who liked the course so much he's now doing an ATPL, and wants to sell his Trevor Thom books. Or the ex-student's friend, who bought everything a pilot could conceivably need and then some, but gave up flying when he realised it actually involved work and studying. Or, or..... Yes, please mods, go for it!