Pentax trade-in program (USA)
Ricoh US has a new trade-in program where you can trade in your old DSLR and get up to $250 in credit towards the purchase of a new Pentax K-1 Mark II or Pentax K-3 Mark III cameras. This offer is valid until March 31st. Additional information is available here.
You can try also the trade-in programs at Adorama, B&H Photo, and KEH.