I heard that some guy was charging $35 a piece for these. You can go on amazon and get the programmer, 10 blank key fobs and 10 disks for under $30. I hooked up my close friends and family all for less than what he's charging for one.
WILSHIN RFID 125KHz Card Reader Writer - Readable 125khz EM4100 Chip card Compatible with Proximity II Card Including Key-fob 5pcs 3M Sticker 2pcs Blank Card 5pcs
https://www.amazon.com/dp/B07MBB29JT...ing=UTF8&psc=1