Just realize that at the end of the day it is the Inspector's name on the line if something were to happen, so it is not a surprise when Inspectors want everything opened up to see what is behind the drywall.3) IMHO, the ideal option would be for you to get permits for an expansion and bring everything up to code using those permits.4) Lastly, if your ground floor unit is vacant, I would recommend keeping it that way.

Do you have a recommendation for a contractor who can install the sprinkler? 

Is there any experienced investor / mentor I can talk to, or any source of information you recommend for people like me? 

I am hoping to get a lot of response on what is being use out there that other agents love and would highly recommend. 

Many tenants are willing to pay extra for convenience, which could give you additional cash flow without a full rent hike.Reassess Your Portfolio→ If one or more properties have become too burdensome with high expenses, it may be worth considering whether selling and reinvesting in a different market or property type makes sense for your overall portfolio.While raising rents is the most straightforward approach, these alternative strategies can help reduce costs and increase revenue without disrupting tenant relations.If you need help assessing the numbers or exploring financing options to lower your monthly expenses, feel free to reach out → I’d be happy to help!

Bigger Pockets is a great place for education and networking and is full of great content.I recommend that you check out the following resources:1.

What sites/software does anyone recomentd to collect rent, anyone have like a template of an excell sheet I can use to get organized?

We've had friends own properties in high risk areas (coasts / fire-prone areas). 

This might be due to subsidy or assistance programs where payments are deferred or not required under certain circumstances.Verify Loan Terms:Contact the lender or servicer handling the HUD loans to get a clear understanding of the terms, especially regarding interest, payments, and any special conditions tied to these loans.Consult a Real Estate AttorneyGiven the complexity of dealing with multiple HUD loans and the potential implications for your “subject to” deal, consulting a real estate attorney or a knowledgeable real estate professional is highly recommended.

This is the most complicated piece because you are essentially the mortgage originator (which might run into licensing concerns depending on how many times you do this and your state), and you need to make sure the person who is buying is a good borrower.3) close with a title company or lawyer (state dependent) who knows how to deal with this type of transaction4) set up an account with a servicer to collect the money from the borrower (not required, but highly recommended from note buyers)5) collect payments