Dig a pond and put canoes in it for rent, make the pond only 3 feet deep and spread rumors among the glampers that it's filled with sharks, piranha fish, and alligators.

Probably if the heat is the issue using RUBS might be an option so that you apportion the  utility costs among the tenants in accordance with square footage or occupancy. 

Or do they divide the electric bill among the units?

This is how cash is being perceived more and more among the poor in the age of electronic payment and direct deposit.Anything that better negotiates the need for a lump-sum security deposit is a very good idea.

You also have cases where the case gets dragged out because a will is contested, or there is infighting among the family, or people get caught in probate quicksand. 

An LLC is definitely an option as well which does give you the asset protection feature, and allows you to have a written agreement among the three of you for several possible issues that could arise in the future. 

This is a very popular question among the forum.

And, among the apostles, the chosen, there was a tax collector.

Among the few regrets I have in life are  properties I've sold.

And you'd benefit yourself by going to play golf, fishing or take a quick vacation trip - to make sure personalities mesh and build friendships among the members.