I think its all helpful. 

Regarding the grain silos itself, those are not the full grain silos you think off like a tower silo.

If you think you'll hand it off to your PM to run and take the great amount of passive income as your great reward, there is so much more to it.  

Quote from @Mackaylee Beach: I think these times (the last two years), and this year are the ones that will give birth to some of the best investors.

I think it’s normal and expected that hosts provide an initial supply of these items.

I think that this is a marvelous endeavor.

Do you like the area or do you think that there may be more deals there with others pulling out of the area?

"Good about deductions" sounds a lot like "doesn't make enough money to be a homeowner", so he should keep renting from someone else, and you should do what you're going to do with the money and wisdom you earned.Of course I don't know your son, but I think this is too dicey and you are too close to the situation.  

I think you'll have to show more numbers to see whether whatever you plan to do makes sense or not. 

Get on the other side of stabilizing property 1 before you start thinking about buying a 2nd property.