Free: Contests & Raffles.
Why not help him out and take a day here and there, if you can, to help watch his property and tell people to GTFO?
That's a shame! Was your access on the "Hunt by Written Permission" land out that way? Nice country out there for sure. Hope things work out for you.
Buy the on x maps app on your phone and go find some does! $30 and it shows public land. Should still be able to salvage the doe tags and maybe find a buck.
Do you have a boat? surely you could find a doe on Roosevelt.
There is DNR land just west of Hwy 21 in Dreger's land, and there is a small chunk of BLM land on the east side of Hwy 21 next to Dreger's. There are several other BLM chunks throughout the unit as well. Bummer deal on your access, but go make it happen!