Quote from @Evan Ross: One of the most common mistakes I see with amateur landlords: attempting to build goodwill with their tenants.

There was something in it for both of us.You have to find some sort of common ground or gain a lot of trust to show how serious you are about this.

Not sure how common or widespread that is, but it has happened.   

Probably go for a 3 bedroom with an office or dining I could convert into a 4th bedroom and shared common areas, would have covered everything with airbnb and still covered most with long term. 

Most of the methods are for advanced investors and not nearly as common or easy as portrayed by YouTube gurus selling courses for a living.

Lack of provisions for dispute resolution is a common oversight.

While more development did happen over the last few years from development projects started in 2021 and 2022 when rates were lower and developers could outlast supply chain issues, the upcoming supply is expected to drop again, as we will discuss later on, with the relatively sharp rise in interest rates that has dried up investment capital due to the fear in the market, sellers opting to hold out on their land and or properties until cap rates and interest rates subside again as is expected in the coming years, as well as banks being cautious to lend on real estate due to this sharp rise putting many projects that were started in 2021 suffer greatly from a 7x increase in rates over the following 40 months that had adjustable rates or 5-year terms which is very common in larger multifamily investing.

U only have to be burned once when title comes back 3 days before closing ( which can be very common in abstractor  states ) only to find it title is buggered.. title companies and closing attorneis may have their process's but a good agent just lets them know this is how escrow is going to flow.. they will wine but it cost 200.00 for a title search and we dont want to spend that until we know we have a closing.

Insurance is expensive, there is a lot of extra maintenance like painting or electric in common areas that don't apply as much with smaller units. 

It is common area and I assume you excluded it and would be entitled to be a guest of your son.