Tax sale is sometimes the best way and only to to clean up and transfer title.If you were to work with the heirs in order to probate the estate and transfer title you can run into a lot problems.  

Although it may be difficult to completely mask the smell, make sure your charcoal filters are being cleaned or replaced regularly.  

He died after Christmas so I was debating what to do with the place, either rip out the walls or try to clean and paint to see if that works.

I've heard of mentees that started out cleaning up construction areas on a flip at the end of each work day or picking up supplies at Home Depot and delivering them to the job site.

They said he was a hoarder and I was wondering what are the estimated cleaning cost.

Such as credit score, verifiable income compared to rent amount, clean background, etc. 

Have your cleaning service double check on their way out whether the locks are jammed, a window left ajar, etc. because it sounds like your area is susceptible to vagrants.  

Hi BP,I had an possible tenant send me an application last week on Apartments.com.  We discussed the unit and talked a bit and everything looked great.  This morning however, I jumped on Apartments.com to do some stuf...

I have been extremely blessed with the crazy appreciation over the last few years from covid, the town cleaning up my street, and a lot of local development. 

Its all bad news and when i went there saturday the 68 yo woman was cleaning and cooking and organizing and everyone else just sitting around or playing with the baby.