If you are just getting started, good insurance may be the better play.Assuming you have a large portfolio, you know how to manage an LLC properly, are willing to take on the added paperwork and expense, and are not piercing the corporate veil by having mortgages in your name, here are my reactions to your proposals. 

It's absolutely worth taking a deeper dive.I've been investing in Detroit proper since 2019 and have 12-doors there.

How you use the money is really a product of your experience (do you have any properties other than the one with the HELOC?)

You really have to have a game changing product to make it worth larger players to switch.

:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

Bear in mind, you will have to tweak these numbers based on what you think are proper estimates.

Great tools that get updated regularly.I am on the lending side of things and would be happy to hop on a call with you anytime to discuss financial strategies and help answer any questions you may have about nearly any loan product available to help you on your journey, even if they are not products my capital partners offer.We are all here to help you learn and grow.

They failed to do it properly and caused the damage.

Also, would you be opposed to a bridge product until it's stabilized?

Great tools that get updated regularly.I am on the lending side of things and would be happy to hop on a call with you anytime to discuss financial strategies and help answer any questions you may have about nearly any loan product available to help you on your journey, even if they are not products my capital partners offer.We are all here to help you learn and grow.