They will catch all sorts of small issues before they become big ones and can extend the life of your mechanical systems for many  years.  

You don’t want a hotel opening up next to your house any more than the neighbors you are doing this to.Neither would it be very nice to open up a whore house, crack house, or your own shade tree car mechanic business with 8 cars scattered on the front lawn.Let’s get real here and quit acting like this shouldn’t be a big deal to neighbors.

Building, plumbing & electrical inspectors - sometimes mechanical if you're installing new HVAC, maybe others, depending on the remodel.

@Wayne Brooks although in FLA looks like they a a dispute resolution mechanism. out our way this would have to go to Court.. and who wants to go to court for 2k...

Albert - Think about the following situation; A mechanical or some other type of lien is put against the property just before closing.

Mechanicals that have not been  updated in the past 15-20 years (roofs especially)6.

Looking for a mechanism where I deferred or minimized the tax consequences in a capital gain when selling an investment property.

@Charles SoperSeller-financing is allowed and is a preferred mechanism for obtaining leverage within a retirement plan, which must obtain non-recourse financing to avoid Prohibited Transactions.

Nope, do you need a mechanic?

How much we set aside for mechanicals depends on the age of the mechanicals.