And than the fact that density brings it's own problems and added expenses.

Aren’t you simply just losing money by doing that on top of adding more complicity to your system?

The last two provide the added benefit of providing you access to liquid cash. 

Zandi said the added cost would be even greater for Americans with lower incomes or credit scores."

Have you thought about adding a game room for kids? 

Post it on fb marketplace and boost the ad and I am sure you will get a million messages but don't make your ad sound like a motivated seller.

Find a lender first that will do financing ad how much, before planning the future.

I'm not sure of what the rules are regarding agent-client confidentiality but without naming any names or addresses, for example:SFH#1 or Duplex #1, if this is Class A, B, or C area, purchase price, down payment, loan terms, monthly payment PITI, gross rent, property management fees, other repair or cap ex costs your client went through and the net rental income for this investorIf this isn't an LTR but an MTR or STR, now we're adding utilities, WiFi, furnishing the place, higher PM fees.

You might want to consider adding another bathroom if possible. 

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