Steamers vs. sailing ships, diesel locomotives vs. steam engines, hydraulic excavators vs. steam shovels, and every generation of disk drives from the old refrigerator sized ones to the current 3.5 and 2.5 inch products.

Most likely, they can just grab a shovel!

Consequently, your 401K can hire a property manager, and then you get to interact with them the same way you do your contractors.You cannot slop paint on the walls, shovel the snow, cut the grass or sweep the walk.

The story goes that the people that made money in the gold rush are not the ones who found gold but those who sold the shovels.

I've heard of landlords out shoveling their roof all night during a storm) If I were looking at a property that I loved everything about, but it had a flat roof, I'd find out how much a complete replacement of the roof would cost (worst case scenario) and try to factor that in I guess

If that what your looking for you can dig in my back yard at $50 a shovel full and I guarantee you hidden gems. 

@John Fischer, where in FL are you investing?

Old landlord never shoveled my driveway.

Plowing and shoveling adds additional cost and work to the project and heating bills can add cost that you may not have anticipated. 

Nice guy; things went to heck when his spouse suddenly left and he had a flare up of his childhood heart issues (the reason he worked in cardiology); his mother moved in to help him out.