The letter to the attorney was basically a typed letter about how I can help their clients who are stuck with unwanted houses.

Sell unwanted stuff that you probably have around your place or your parents.

Being on the receiving end of a lot of unwanted letters and phone calls is annoying, think telemarketing on steroids. 

That way, you can just give 30 days notice to end a tenancy, as well as 30 days notice to change any rules, etc.The things that usually wreck roommate situations is unwanted guests, not cleaning up after themselves, messing with thermostats, stealing food.Some of those things can be pretty easily dealt with - like including a weekly cleaning service in the rent, putting little apartment fridges in the rooms.But, inevitably, there will be a roommate who you will want to get rid of, so having month to month agreements is the easiest way to get rid of them.  

Then they cook meth in the house or some other unwanted thing.

It's leaving me with unwanted vacancy and incredibly inconvenient extra payments on spaces i'm trying to fill.

It’s cheap and masks any unwanted smells.

Professional cleaning during turnover is an expense that landlords are usually required to shoulder, and might be necessary even if the prior tenants thoroughly cleaned everything.Common things that tenants miss while cleaning:Leaving ANY (and I do mean any whatsoever) garbage or unwanted things behind.

This may, or may not, be an issue depending on what you are trying to achieve ... hence the need to meet with the specialists to get your organisation set-up to meet your current and allow or you future needs.

In addition, what if I attract unwanted attention to the other parts of the property that I strongly suspect aren’t permitted?