In addition to these you can find information about appreciation.Many of the people recommending expensive properties are doing so because of appreciation.

Second, I'd connect with some local hosts in your area also in addition to Airdna.

Man, just in 3 years if you have the tenant leave every time, even without the negative cashflow, that alone can cost you an additional 20 or 30k.

In most single family zoned areas adding a single ADU is not a value add meaning it will not add more value than the hands off cost of the addition.  

In addition, condos tend to not appreciate as fast in value compared to single-family or multi-family homes. 

I rented out the additional bedrooms to friends and family, charging them well below market, and sold when it was time for my wife and I to start our own adventures.

Unless you're in a Class A Neighborhood like Palmer Woods, Indian Village, Sherwood, etc,. the additional rent probably won't support the cost to build:(More profitable to take the build funds and buy another property.DM us if you'd like to discuss more...

I rented out the additional bedrooms to friends and family, charging them well below market, and sold when it was time for my wife and I to start our own adventures.

Let me know if I can provide any additional tips or resources to help.Best regards,Sadler Surratt 

Outdoor storage, moving services, additional parking.