What you're saying is gambling using properties ? that's some bizarre way to gamble for me, i haven't seen those types of people betting on. But that's probably a nice a idea some people could play with those stakes.
If you're looking to play gambling try going to the gambling there are tons of website there that offers lots of prices with a provably fair feature. Just only spend money you can afford to lose.
I don't think that betting your properties is a nice idea. For me, it is more valuable than cash money.
There's no need to go outside of this forum and look on the internet of gambling websites. We have already here the reputable casinos and sports betting sites which already operating for a long time.