But properties that are always right to hold forever are few and far between.

Rather than comparing Lenders/DSCR loans solely based on these factors, I would advise you to focus on below questions and prioritize what you really need in the DSCR loan/Lender? 

LLC Fees, Travel, marketing, etc)You can deduct overhead costs in the year incurred.Costs related to the property are accumulated and factored in until the sale of the property.

Do they want a balloon payment at some point, or will they carry the loan forever? 

Vacant for 40+ years.In other words, anyone who buys it is buying the right to pay taxes on an unsellable lot forever. 

Focus on neighborhoods with strong rental demand and growth potential.Also, make sure your numbers work—factor in all costs, including rehab and holding expenses, to stay under 70% of ARV.

I don't think the market is a huge factor UNLESS its a SMALL/rural market where filling a vacancy could take longer because of low/inconsistent demand. 2.

By-right uses are much simpler since they don’t require additional government approval beyond standard permits.Development Standards: Once zoning is clear, factor in the regulations such as setbacks, parking requirements, density, and other local standards.

They screen animals and give a FIDO score based on several risk factors.

You only need to get around 4-5% when you include leverage to equal those returns you cited and then factor in tax advantages and you are exceeding those returns.