How long long to homes typically stay on the market for in that area?

Check out other online guides available here: https://www.biggerpockets.com/guides3.

Build an SMB on top of your real estate (the reverse of #2)Short-term rentals and high owner-participation real estate businesses can have great returns.Obviously not for you if you just want passive RE.We are in the deep end here, where each case should be judged on its own facts and merits by your CPA.You should hire a professional to review your particular situation before you make an investment.

Having a good understanding of how to underwrite industrial deals is critical, as there are some major differences between multifamily and industrial underwriting.I built out a custom model for underwriting Industrial deals, has helped a ton.

Also, any tips on how to respond without sounding snarky?

Quote from @James McGovern: Do this often and you will develop a reputation for being deceptive and hard to deal with and unrealistic. 

I'd like to access this equity through a Home Equity Loan (HEL) and use it to make downpayment on another investment property purchase (12 unit bldg).I bought this 4-plex in my personal name with a conventional mortgage .

It is way toomuch hands on and working with Airbnb and VRBO was terrible due tothe huge language barrier.

But the landmine BOI policy will be here to capitalize on parts of the business community that don’t take advantage 

However, one deal taught us a harsh lesson about balancing kindness with caution—a deal that nearly ended our business before it truly began.It was the end of our first year, around Thanksgiving, when we received a lead in Massachusetts.