Practicing the numbers on multiple homes/properties is what will make you great at investing latter on.  

Unless they are some kind of prepper who is hording gold and silver for when the world ends.Your time is better off spent researching more practical real estate methods.

Lots of practical advice for finding a market, building a team, and more.

I believe at least a couple cities now require that security deposit alternatives are offered as an option to tenants, so this may end up becoming a common practice.

It is really a matter of keeping the hot tub safe and sanitized for the guests.In my market it is standard practice to drain, clean and refill after every guest.  

It's probably not the best practice to use a percentage of gross rents to determine your expenses and underwrite a property.

. #1 plus just practice being an agent passively. 

@Scott Passman The overall condition of the property (affecting future repairs) and the ongoing management (practices that generate cash flow) are going to have THE greatest impact on your overall long term performance. 

These groups are huge for hearing about best practices and ways you can improve your next investment or make your current investment more profitable.  

A couple things to keep in mind is that the property taxes are pretty high and there is practically no appreciation.