I hear from other roommates that they have requested pest control as well.

Your partner forms and controls the investor-LLC.

I used almost every SMS platform for my clients but I guess Launch Control and Batchleads are running smooth since 2020 for my 5 investors.

I'm sure there are a few in your area - critter control, etc.   

This is a matter of control and accountability.

Explain the potential damage and costs involved with the water running continuously and put it in writing letting him know that he is not to touch the chain again, that if he needs service that he should notify you and you will take care of it.Additionally, there are devices you can get that will alert you if your toilet is running.

You can learn more about both here:   SDIRA Solo 401(k)Depending on the amount of transactions you’ll do it may make sense to have checkbook control.  

Now you don't have control. 

I thought it was high too, but it seems like maybe a more year to year controlled cost because it covers so much?  

It depends on what the partnership agreement says --- especially on the question of how much control each partner has.