I've had some decent deals on gear, but nothing spectacular I guess. I got a brand new PRS Satin Standard 24 (which I still own) for $700 when they were first released. I initially got 15% off when I bought it from Sweetwater. A sales manager called me up to follow up on my purchase asking me how I liked it. I told him I wasn't too crazy about the pickups and he offered to send me some other pickups, which shocked me. I told him thanks, but I wasn't sure which ones I wanted to go with. In the end, he really surprised me because he ended up giving me $150 back to get some replacements when I was ready. I don't know if he was aware of the 15% off I already got, but I took it! Another good purchase I got from Sweetwater was a new '13 LP Traditional for $1,429 back when they blew them out around Black Friday in 2013....couple of years later, I sold it for a profit.
I bought a brand new Ibanez JPM P4 for $750 many years ago before it was announced that Petrucci was going to leave them for EBMM. Four years later, I sold it for $1400.