If i have to choose collection agency, could you recommend me one? 

Go to 123notary.com and type in what zipcode u need or just google mobile notaries in whatever city you are looking for.

I like this option the least because I want to cut out bank loan costs where possible and pay fully, in cash.I am leaning towards the first option but I have little knowledge of 'manufactured homes' in terms of whether they retain their value, whether you are even able to rent the home if it is on a mobile park, etc.

Will you stick with mobile homes?

I have already read few books, started real estate school to also get agency license, and begun following and listening to real estate sources to continually learn investing.

As the incidence of mortgage fraud has risen over the past few years, states have also begun to enact their own penalties for mortgage fraud.The FBI and other federal agencies do indeed investigate mortgage fraud.

I live in nyc but I’m thinking of investing out of state as the NYC market is way too expensiveI've found a mobile home park in the south I'm interested in. 16 acres 8 Park owned homes with a rent roll of 4250 a month.

Say you know a creditable person that could leverage their name to get agency debt.

I mobile deposit when they pay me with a check.

We have a mobile home/RV community and SFRs.