Next, if the AC is broken, no problem.

Ultimately, any upgrades or changes in the future will need the proper permits, so those may just be temp fixes for now. 

There's nothing wrong with fixing something that is broken, but you shouldn't be making improvements to things that are clean, safe, and functional and that were fully observed by the tenant during the showing process.

In the first 4 months we upgraded to queen sized beds and never had a problem renting any of them again.

I've easily quadrupled the leads using Zillow Rental Manager (premium/upgraded $30.00 version).

If the goal is increased equity and wealth then upgrade properties judiciously and increase rents or trade up using real estate exchanges.  

(It's broken down by market type -- resort/mountain, resort/beach, rural, etc.)Here's how much more RevPAR homes with a certain amenity get for the mountain-destination category.

The came and this time did a video inspection....the sewer line is broken.   

. - Strict local regulations can also sometimes increase compliance-related maintenance costsCost-saving strategies I've seen help:- Preventative maintenance programs can help reduce overall costs obviously - Some investors report success with in-house maintenance teams for larger portfolios- Energy-efficient upgrades can help reduce utility costs in the long runYour specific costs will depend on factors like the age and condition of your properties, your management style, and the specific neighborhoods you're invested in, but hope this helps!

Broken window, kicked in glass exterior door, and busted up interior barn door.