However, I just received the closing docs, and the rate on the 6.9% loan has been increased to 7.8%.

Louis Fed shows the delinquency rate on residential single-family mortgages, and proves there's a way to spin this data to show that delinquencies are increasing rapidly.

From your options, #1 is a big sink of cash and I can't tell how much that increases you rent. #2 is a no due to cash flow negative. #3 is the way to go.

You can also double hack these if you have enough units and live in one unit and use one unit for your business, but of course that decreases your cash flow but increases your usability.You can also use an FHA loan to get a mixed-use property with only 3.5% down if the residential square footage if more than 50% of the total square footage.

It allows tenants to increase their credit scores by an average of 60 points, and I provide it free of charge.I have over 600 adult tenants.

This is NOT Business Credit.By establishing a separate corporate credit profile on the EIN Number (separate from the business owner's SSN/FICO), investors can access substantial business credit lines, capital for property acquisitions, and renovation funds without personally guaranteeing the debt.This approach creates a powerful financial firewall between personal and business assets while potentially generating a significantly larger (ROI) through reduced interest rates, increased borrowing capacity, and the ability to scale investments more rapidly.The education gap surrounding EIN corporate credit means savvy investors who understand and implement this strategy can gain a significant competitive advantage.

Are you planning to hold as-is and focus on cash flow, or do you have a strategy for infill, increasing rents, or improving park infrastructure to boost value?

The median price in the greater Austin MSA increased 2.4% to $435,000 over the same period.

It was simply because there were always more guests than hosts and the platform's focus has been collecting more hosts on their platform to increase its size. 

That being said, there's no way your tenant will be happy with the increase so you may take that into consideration.