So no leasing agent, no maintenance. 

Well if you ran realistic conservative numbers for maintenance, capex, vacancy rates, rental income, etc then you don't really need cash flow do you?

. - low vacancy.  

When rent is too low it speeds up the leasing.   

Short term (12 months), low loan to value with borrowers who have strong credit and significant assets.

I suggest finding one of them to do it for youMost DSCR loans through brokers have $150,000 floor with some going to as low as $100,000.

Your reserves should be part of the expense calculation: PITI, maintenance, capex, vacancy, property management, etc.

Low risk property. 

Or we gradually perform high-quality updates for a live-in flip, then roll the equity into a new home.Regarding rental income, we aim to boost income, lower our effective tax rate by generating more low tax-drag income with rental income (since there’s not much we can do to lower out W2 tax bills) and have retirement cash flow.To compare the financial impact over 10-20 years, we want to analyze renting versus flipping.

HUD loans will take drastically longer (I've never used one personally), but there can be benefits to using these loans if you're a long-term owner.The interest rates in your Key Considerations seem very low for agency loans and they're definitely low for bridge loans.