Use diluted vinegar or TSP to clean the walls.

These can be cleaned with vinegar or citric acid or replaced to restore pressure.8.

We eat mold in cheese, soy sauce, vinegar, beer, and have been doing it for thousands of years. 

If you find a way to increase the rent, be sure to amend the lease or create a new lease with all parties signing.You attract more flies with honey than vinegar.

I have tried vinegar and looking to do another professional carpet cleaning and if that does not do it, then just have to replace.

Your HOA is in control and if you want to appease them and live happily you will get farther with honey than vinegar.

During that time I drink a warm water with apple cider vinegar and lemon, Practice deep breathing exercises, say affirmations and listen to BP podcast or something motivational on YouTube during my hour long commute to work. 

For the wallpaper, a scorer and vinegar/hot water or fabric softener work.

Just my thoughts from outside the situation.An old woman once told me "One gets more bees with sugar than vinegar"

And if I just need some general inspiration I read the dozens of posts of new investors that are full of spit & vinegar and aren't beat down or jaded.