I'm an internet marketer by profession, so all of my leads are through SEO, forums and PPC marketing.

My father didn't want to be on title or have any affiliation with the property.

I think you are expecting too much from someone that wants or needs to rent in a MH park.I'd try meeting with applicants and taking a paper application.Run their background check and look at their credit score, criminal and eviction history.You may have people that get paid cash and can't produce a w2, they may not even have internet access or a bank account.I think a credit score and trying to talk to a previous landlord is the screening you need to be doing.Collect a larger deposit to give you a bigger buffer and see if you can't find some people that will turn out to be good tenants.File an evictions on the ones that are behind.

I found some plans on the internet that I am interested in.

School, for some, was the only possible education.Today, if you have a smartphone or access to the internet, it's almost free.There have always been bookstores and libraries if course, but never had so much info been literally in the palm of our hand.It's a double edge said sword, though, because with that information we naturally have a lot of bad info to decipher or sift through.

You can not find out answers to what a specific Trust allows on the INTERNET. 

But you will learn more than you ever can by reading forums and asking random strangers on the internet for advice. 

I'll then use the internet to try and track down the owner and see if they want to sell. 

Just sprinkle it on the carpets.The internet has many sites with instructions on how to use it.It odorless and non-toxic, as opposed to the chemical stuff.I've used it to great effect.Good Luck!

As stated above I might check up on their internet presence and see if they show up at all.