They may also specifically allow things like small nail holes.I assume I will have to paint in between each tenant and are happy on that rare occasion that I don't have to. 

For example, nail holes and scratches on the floor from dragging furniture are things that will come out of the deposit.

Simply screwing, nailing, or bolting the deck together (butt-joint style) is NOT good enough to hold together load bearing decks since over time they weaken and snap at the most inopportune moment.Back in 2003 a Chicago area deck collapsed - killing thirteen.

I'm sure it doesn't matter if they refuse anything.notices do not need to be signed or acknowledged.If you see them in person, and they refuse to accept, you can just leave it on the floor at their feet.If they don't open the door, you nail and mail.It's really an honor system, where you promise under penalty of perjury that you did serve the notice.

A princess won't ever see how investing for your futures in any way should  be a priority.Princesses get there hair and nails done regularly and drive nice cars with payments. 

Is it better to start building your cash buyers list and title company connections or nail down your properties first?

Hit the nail on the head.

The premilinary injunction will be the first major nail in the coffin of a perminant restraining order. 

The second reason applies to stand-alone units; when the tenant moves out, it's not nailed down, it will probably move out too.

Dry cleaners, nail salons, etc.