The window trim could not be fully cleaned, so I replaced the window trim and made sure the bathroom was very clean.

I can clean up and do the smaller jobs myself.

Sounds like the classic living out their deposit scenario in which they will deplete everything and leave you with nothing to cover repairs, clean up and other turnover costs. 

That rent would have easily covered the cost of hiring professionals, the job would be done better, and you would have saved yourself three years of blood, sweat, and tears to focus on your next investment.There is a time for learning and DIY, but you have to be smart about it.

No grout to remove and regrout when it get moldy when tenants dont clean and maintain.

Based on your description I'd suggest starting by reading the book: Who Not How https://a.co/d/eLZv7lFI think we all start off more DIY and getting our hands dirty.

Sometimes they are older, but clean up just fine.Also, our guests seem to use them pretty regularly.

The answer is yes and yes - you should be able to do a DIY CSS (using kbkg.com/residential-costsegregator or diycostseg.com) for under $500.You do need to couple your question with the other ones mentioned in replies here - will you benefit from it, will you be able to use all those accelerated deductions?

That GRI does include income for cleaning, taxes etc. though normally, which is really pass through expenses for the most part.

Not to mention that some have gotten revamped a bit too and cleaned up, I am curious to see what type of future developments hit that area.