This will enable you to buy more properties and increase your returns.

An 80% LTV refi would enable you to pull out 120K. 

You can use Everbooked and AirDNA to get high level estimates for your ADR and Occupancy rates but in the end, I usually like to supplement (especially if I'm getting serious about a property) with good old fashion legwork with calls to local property management companies and review of nearby listings on Airbnb/VRBO.  

If you want to learn more about landlording and taxation and liability (LLC) - here are some books to get you started on this: for accounting and taxes - Every Landlord's Tax Deduction Guide (make sure to get the latest edition) (and you can supplement that with Deduct It!

This enables them to provide equity multiples of 2 or higher in 5-7 years.

Would you recommend just going down to a mobile home park over a weekend and inspecting the homes myself or can I also get a property inspector on top of that to supplement my own inspection?

But the small mortgage enabled me to make a minor cash flow even with the 13% mortgage rates in 1985.

At the second meeting, the park owner may take into account the information on comparable parks provided by the committee, may supplement the information provided to the committee at the first meeting, and may modify his or her position, but the park owner may not change the information provided to the committee at the first meeting.

But I can tell you that I catch at least 95% more than someone who doesn't look at all and this has enabled me to avoid a lot of properties with title issues.

Also, there are a number of companies offering solar power purchase agreements (PPAs)  that enable you go solar for little or no upfront investment.