Hi Zak-Great question.It sounds like your credit union is offering you a Home Equity Line of Credit as they do not expect principal payments and your primary bank is offering you a Home Equity Loan.Personally, I don't like having to pay on an equity loan unless I use some of it and only pay on the part I use.Although, this is a personal decision for you.If you make investments that provide enough cashflow to pay the principal and interest to your primary bank on the equity loan it doesn't really matter to you as others are paying it.Another consideration is the amount of dry powder available to invest.

I provided evidence in my reply to no avail and the city wants to go forward with my hearing.

If you are buying the second lien the seller should provide you with a credit report which then you have the lender and account info from credit report so you could call to get the balance.

Can you provide 2019 and/or 2020 YTD income information?

Although when doing this in 08 to 2011  I was afraid to even look..And my banks had me on a very short leash I had to provide financial every 90 days if I wanted to keep my large lines of credit.

Do manufactured/mobile home dealers provide seller financing option to buyers? 

Also, you may want to look at:What to Ask When Working With a Turnkey Provider

Before making any decisions, it's crucial to consult with a legal and financial advisor who can provide personalized guidance based on your specific circumstances.

I have never heard of a provider rejecting an investor.

Farmland has proved to provide 10%+ returns.