For example, if you put one of those locked plastic boxes over the thermostat, they'll put a ice bag on the box if they want more heat.

I consider RE my inflation hedge(lock in low interest, creep up the rent as population and money supply grows, build equity with mortgage pay down, appreciation only considered as icing, but not expecting it).

I would argue that appreciation is the cake while the cash-flow is the icing.  

One mom requested a special ice cream for her teenage daughter.

But the coils at the rental have never had ice.

The ice cold beer can be used as an ice pack for your hands as well as a tasty treat on a hot summer day.

For example, your landscaper cuts down a tree and it falls on a neighbors house; or someone is walking down your ice-covered sidewalk and falls.2.

I would recommendInvest in Debt by Jimmy Napier, Performance Anxiety by Gordon Moss, Fuquan Bilal's Turning Distress into Success, and for icing on the cake IRA Wealth by Patrick Rice.These are general overview books, they are relatively short and very simple to understand and very affordable too.

I like to think of appreciation as icing on the cake.Then one last thing I would research too is CA tenant laws.

Sprinkler head is loose or ice cubes aren't made quickly enough.