It's not Passive at all and the smoke detector example is just one of the hundred things that should be on the Manager's list of things to do.

The easiest is to become an affiliate and make a referral fee.The mega giant hard money lenders can make money netting 2% by lending hundreds of millions of dollars.

Reason to rent is to have to a loan payed off and a few hundred dollars each month cash flow after all expenses.

However, I would advise staying away from anything located a hundred miles south of Birmingham due to the risks associated with the Gulf area, including parts of Louisiana, southern Mississippi, and southern Alabama.

Example - replace kitchen cabinets that are serviceable to ones that are new & modern or replacing the roof. 

The city arrived at the $180,000 fine based on a $500-a-night penalty for each of hundreds of nights it tracked as booked at Tao's property, according to documents submitted to the City Council."

I like to think of each month a few hundreds from each property goes into a little piggyback called my equity.

New floors, appliances, cabinets, bathrooms, etc. 

It is not normal to hang hundreds of items on the wall.

Which could be hundreds of other investors on the same note and trust deed.