Proceeded doing Airbnb?  

Ensure thorough due diligence, check the 1st lien status, and consult a real estate attorney to understand the risks before proceeding.

You must be confident in your decision to proceed with the deal before investing significant time and money.

Now I'm shopping around for an attorney to proceed. 

Yes, I've closed on 4, rehabbed them, and they are all rented with tenants in place :)OK, and for these deals, I assume you use your own funds to acquire and rehab.With private money, you're now substituting some individual's funds for your own.However, unlike when it was just your money, you'll need to proceed with extreme caution to make certain your lenders are well protected if/when things don't go as planned.Private lending is its own whole profession.

You may be able to capitalize on this if your area has experienced similar growth.Simplification: Selling would allow you to focus on your new single-family investment properties and potentially expand in those markets.Capital for other investments: The proceeds from selling could be used to fund other potentially higher-yielding investments, especially if you use a 1031 exchange.Small town limitations: Depending on the specific town, there may be limited growth potential compared to larger markets or more popular tourist destinations.Given the stable cash flow, low remaining debt, and your established experience with the property, keeping the fourplex seems like a solid option, especially if it's in a location with STR potential.

One contractor claims he can finish the job in a day with three workers, while others estimate it will take a week.I'm not sure how to proceed with this situation.

Hi, I have a question on how to use foreclosure.com to find a deal and proceed with a deal? 

My idea is to refinance after the rehab, use the proceeds to build the second house, and repeat the process until all seven homes are completed.

They are properties circulated to long lists of unsophisticated buyers and if you are the highest offer you’ve likely outbid a bunch of prospective buyers who underestimated their improvement costs or overestimated their ARV while most likely  proceeding without the ability to perform normal transaction diligence.