Hopefully, at the very least, my questions may spark something in your planning that improves your investments.  

. $150 will get you at least 5 seasons, maybe up to 20 if you run it clean and are careful not to hit anything with it.1 - Take five minutes and check the yard for sticks, rocks, stumps, roots and hidden metal stakes (garbage too)2 - Clean the air filter every time you use it3 - Mix the gas with Seafoam or some similar gas stabilizer/cleaner - also try to run the mower out of gas every time - never buy more than 1 gallon of gas at a time as it goes bad pretty quick (or even buy just a half gallon)4 - Change the oil every year, the blade and spark plug as neededDo all that and a mower will last a very long time and continue to start very easily, unless you bought a dud. 

You still have to screen the tenants well but offering something like a $100 gift card for a "move in special" can spark some interest.4.

The good news is, you got practice showing your apartment and working on your sales techniques, maybe even sparking a new idea.  

Think we have social unrest now, yeah, that's an America I will not stick around to see. 

Now two years later this house came up on the market that has spark my interest once again.

Didn’t realize it would spark this much discussion.

Use descriptive words to spark some interest.

They don't have to accept this as gospel, but hopefully it will spark their interest in creating and keeping their wealth, and to to join in with some questions.

Sparks flying out of outlets is not minor.