I suggest something that might increase the number of people adapting the animals!

Simply offer adapting for free or with a small amount of money, because what is important at this stage is to find a home for these poor animals rather than covering their previous costs! and by having more people adapting the animals the costs will reduce for u and everyone is happy!

So if u really want home for these animals just offer TRUSTED people to adapt them without cost, of course after u investigate their readiness to adapt.
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I dream things that never were; and I say, "Why not?"