That seems to really restrict the buyer's options and avenues for closing.

But, remember the added insurance costs and potential property restrictions.

I'm not sure if this is applicable to you, but here are some references: - Is Selective Enforcement of Restrictions Acceptable? 

I see your point, but it would suck to really start making some headway and then one "accident" cause you to lose everything simply because you didn't take the time and spend $200 to incorporate I get what your saying Chase but the odds of someone suing you are actually very low if you are running an honest business.

Refinance lender was ok and I'm actually using them again for a house hack but I don't think they'll be a top of my list for another BRRR refinance due to their restrictions.

The tricky part of doing a 1031 exchange is lack of inventory for purchasing a replacement property and meeting the time restrictions.  

As @Eric Greenberg correctly pointed out, significant restrictions on STR use was implemented at the start of 2023.

I've never actually seen a HELOC where the bank restricts what you can use the money for. 

Vetting a reliable contractor can significantly boost your odds of success.

I have a very odd situation:I basically bought a house for a friend of mine about a year ago and gave him a 5% interest only loan for the entire purchase/closing/renovation costs.Both he and I would like him to get more permanent financing.But, he does not have a social security number.