Check out similar listings in your area, see how they're doing, read reviews, and snoop around the pricing.

Check the leases, make sure that your tenants understand the rules, then enforce the rules that are in place. 

If anyone disbelieves this claim, go check out Holton-Wise in Cleveland to see what they deal with on a DAILY basis.

Thank you I will check out Dealcheck as well.

There is a reason in most states you have to pass a criminal background check to become an agent.

I have checked periodically over the years and even called VRBO (they were no help).  

It is good that you are checking the areas prior to purchase. 

I know someone whose ex got his social security check garnished. 

check out this spec home we are doing in newark. we got the land for 10k and 110k build cost. should do fine. we listed it one day and have calls already. don't be afraid to take the risk https://www.redfin.com/OH/Newark/147-S-3rd-St-43055/home/773...

Regarding moving a mobile home on the land, you'll have to check with your local zoning office to see what restrictions there are on the land (if any) when it comes to removing the older home and replacing it with a newer one.