What do ya'll (yeah, I'm from the south) recommend as far as upkeep on engines? For example, what do I oil and with what, etc? Sorry to be ignorant, but I firmly believe the only stupid question is the one you don't ask.
The engines typically require very little maintenance. A drop of oil every few months if your run frequently, but that's about it. In fact more damage can be caused by having things too oily and collecting dirt than not enough. When ever you lubricate use the smallest amount possible, and you'll be in good shape. I have some engines from the 60's that still run, and I don't think they were ever lubricated prior to me getting them.
Lubriplate or an equivalent white grease is Ok for the plastic gears. Carefull on some of the oils, the detergent ones, such as WD-40 could hurt the plastic. Once a year if you run regularly. Remove excess to avoid picking up dust dirt which then can get on the brushes causing an open on the motor.