This includes credit, criminal, and rental history checks for all parties.

Instead, you could explore pulling equity out through a home equity line of credit (HELOC) or a cash-out refinance.

Knowing cap-x projected out years is not an "extra credit" kind of information, it's fundamental necessity. 

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases: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.

The banks/credit unions said I needed 6 to 12 months of ownership to get refied. 

Instead, it works like a credit and goes toward some of your upfront costs.

I did find It should result in a 2.5 to 3.5 kw system, net cost around $5k after tax credit.

If it was a single bank with a line of credit that would need to be made public.Now, what I have seen (not saying this is being done here), but with other funds is a fund create a feeder fund /LLC that would issue promissory notes to invest in the fund.

I don't have the capital to replace the HVAC at this time or the credit to finance it.

The tenant pays a monthly premium and keeps an active bank account and credit card on file.