Even without eyes on the unit...something's affecting the desirability or possibly the qualification criteria is difficult to meet?

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If your goal is stability, higher property taxes can often mean more desirable school districts which attracts an easier tenant pool.

Even though you have a cleaning fee you'll get bookings because your property is desirable. 

@David HutsonIf you purchased a renovated home in Memphis for $37k all in you are most likely in a less desirable area.

A business plan or summary of what your goals are as well as any experience or things that make you desirable and helps the bank feel confident they will get their investment back.

The exception of course is Ivy league but its not the MBA its the MBA from HAVAD (sic.).Which track do you desire?

Not only does the mobile home have to be one that is desirable to buyers, but in addition the seller should be motivated to sell quickly.

If the Resident/Lessee desires to sell his mobile home within the Park, the Lessee shall serve written notice upon the Lessor of Lessee's attempt the sell their mobile home.

Those are fairly inexpensive but highly desired.