A HELOC gives you flexibility since you can draw as needed and only pay interest on the amount you use, which might be useful if you’re not sure exactly how much you’ll need upfront.That said, it’s important to compare the interest rates between a HELOC and your expected returns in the stock market—if you’re making more in your investments than you’d pay in interest, it could be a good play. 

To evaluate an advisor, consider their track record, flexibility, and compatibility with your goals.

Be flexible and respectful to both the residents and to the employee of the company actually paying the bill.I know this sounds incredibly basic and simple, and it is.

Rates are typically higher than a traditional cash out refinance, however at least you are not getting the full loan amount + you have the flexibility to draw/tap in the money whenever needed.

If there are no comps that exactly match my criteria (e.g. bedroom count), how much flexibility is advisable when searching for comps?

You're spot on with how private money lending offers speed and flexibility compared to traditional banks.

We have a lot of investors that are way more flexible. 

FHA also allows some flexibility with grants and assistance programs, which could help with closing costs or down payment.

Flexibility in Financing: Cross collateral loans can provide flexibility in funding different projects or investments without needing to secure additional loans.Cons:1.

As for finding better financing terms, look into portfolio lenders or credit unions—they might offer more flexibility than traditional banks for investment properties.