For my BPs this translates to tub cleaning, water changing, and feeding. Which is about the least amount of work I can get them to, considering they live without an ecosystem.

For my Savannah Monitor this involves dumping it's water into its enclosure, cleaning the dish and replacing the water, and sometimes feeding it (it cohabitates with crickets, worms, and a few other invertebrates... and for a short time an anole and 4 geckos, RIP, you will be missed when the crickets reach adulthood again).

For my Mangrove Monitor this involves feeding it, removing older food corpses, and doing partial water changes on its swimming area. Rarely I have to squeeze out the sponge in its sump filter.

The whole plan is to keep things exactly where the reptile needs it, with minimal intervention from me. That way I have less busy work, and can actually spend time with them without any requirement on my end.