I went to a local rv dealer:
United RV Center
5100 Airport Freeway
Fort Worth, TX 76117
They had MANY spare keys they didn't need to cut, just sold me spares for about $4 each...
(and, pssst, don't tell anyone that many of each of our keys fit many other rv's )
especially the storage doors....
'11 Monaco Diplomat 43DFT RR10R pushed by a '14 Jeep Wrangler JKU. History.. 5'ers: 13 Redwood 38gk(junk!), 11 MVP Destiny, Open Range TT, Winn LeSharo, C's, popups, vans, tents...