By agreeing to take in a cat, you are obligated to maintaining its wellbeing for its entire lifetime. This includes access to healthy food, clean water, clean litter, hiding spaces, enrichment (toys, play, companionship, etc) and ensuring it is spayed/neutered, has its shots up to date, and has (at least) an annual checkup with the vet.
Pets are not toys. They are not trophies. Pets are living, thinking, and feeling companions. Do not get one if you cannot handle those basic responsibilities.
With that out of the way, the Litter-Robot (from litter-robot.com) is a pretty good automatic litter box. They’re a heavy up-front investment, but I feel it’s worth it. They work with most litter brands so you don’t have to buy special litter through them (although they do sell it). They don’t work with cats under 5lbs, so it’s not suitable for very small/light breeds or kittens. It’s large enough for average size Maine Coons, but that’s about as big of a cat that it’ll work with. You can get a refurb through them for a discount if the price for new is too steep. It does take up a large amount of space compared to a normal litter box, so it may not be good for very small living areas.
Trump is capable of doing good. It just has to benefit him and be about him and for him and consequently good by accident.
The bet you’re looking for is Trump being selfless. This is a characteristic he lacks and could never be capable of doing.