You have insurance that should cover the lost rent until the repairs are done.  4-6 weeks is quite a while, I'd see if you can get another contractor in there.If they've been late two other months prior to this, it is a bigger problem and I'd just get them out.As for contacting the agency, who is paying the rent? 

A lot of people are losing money or operating at breaking even at the moment.

I have never heard of this but you might want to chat with another CPA who specializes in real estate to see what they have to say.

There are plenty of real estate groups where investors are actively looking for properties.

Collaborating with a local investor can definitely enhance your efforts and provide valuable insights into the market.

Here are some BP topics on this: https://www.biggerpockets.com/search/topics?

There are a number of cautions here @Craig S.

If you are looking to meet other investors and learn how best to get started, BP can be very useful. 

Quote from @Michael Chalke: It's good to see you know the law.Question: who is limiting you to a 3.5% rent increase?

You are off to a great start with savings and those two books under your belt.