These letter grades are assigned to properties after considering a combination of factors such as age of the property, location of the property, tenant income levels, growth prospects, appreciation, amenities, and rental income.

Neither approach is wrong but it is all about your goals and objectives and maybe your age.

The best answer depends on your age, your goals, and lots of other factors. 

Can you share the age of the property and what you are modeling for capital expenditures?

Most of those investors were seasoned and middle aged.

A failing system typically cannot be simply handed off to a buyer without remediation and replacing an aging septic system with a modern alternative treatment system (ATS) can be a significant financial undertaking.

You're absolutely right; the digital age has made networking more accessible than ever.

I don't anticipate having rentals for more than 15 years given my age.

From there, you can do more due diligence by talking with surrounding mobile home dealerships and park managers or owners to get an idea of the market values of these homes which depends on factors such as size, age, location, fix-up work, etc.

The age old question.