They would be better off paying the professional to do it quickly and correctly the few times they will need a garage door opener installed.Even though i open permits slightly regularly, when i open a permit in a new jurisdiction it typically has some unique quirks that i need to learn.  

Cutting to the meat of the situation, I came across a property that looked like a fixer upper, typical investment grade property.

technically yes but I am not sure how realistic it is unless its a very large parcel. reason I say that is typically when you give up rights they will use them (for example oil well), which requires access etc.

Quote from @Chas Lumley: Quote from @Caleb Brown: Getting leases is typically done once under contract, I always have verbiage that leases will be reviewed by buyer within the inspection contingency.

This is an essential tool for anyone buying a tenant-occupied property. 

Correspondent lending typically takes one of two forms: delegated or non-delegated.One approach is to obtain your loan purchaser’s criteria and documentation, (hopefully) adhere to them scrupulously, and originate the loans yourself.

The cost segregation studies that typically yield the highest credits and deduction are for properties valued at $150,000 or more or that have lots of added features such as components to operate or high-end custom finishes.

For investment, 20% down is typical with some 15% down options out there but there are restrictions (not sure if this is available for STRs, just LTRs.) 

We use Furnished Finder to list our MTRs and typically attract traveling healthcare professionals as tenants.

Now, probably after a long and drawn out court battle, a plaintiff can probably get the lien removed as a “sham”, but a cursory examination by the typical plaintiffs attorney would probably not produce that conclusion.