Also, you didn't mention this in detail, but when you said that you cut down a tree -- was that completely necessary and a trim wouldn't suffice?

It could be price but also could be, non-trimmed hedges that make it unappealing (had this happen once), lack of a dishwasher, and lack of great pictures....The fastest way is to drop the price, however, it is not the only way.

-Paint: Painting walls/trim through entire property. 

Unfortunately, I ran into a snag during the electrical trim-out inspection, resulting in a failed inspection, and the removal of the power meters from my property by Nashville Electric Service.

They claim they have had to trim the tree, resort to extensive clean-up and the excessive growth has caused vermin and other creatures to feed off the tree.I researched California tree law and learned that the neighbor has a right to trim the parts of the tree that are extending onto their property but don't have a legal claim/dispute against me unless harm is caused.

I don't run into too many people anymore who cope their trim or even know what coping is. 

.$400 per unit may be a steal...if they are capping or building out trim...what year was the property built?

I am currently shopping for estimates and so far the lowest quote I've received will run me $500 per window (window, installation, permits, disposal of old windows, and seal around the trim).

You can get a copy of the standard on-market contract and trim it down.

Shopping for less expensive homeowners insurance policy is also a good place to trim the cost of your mortgage and increase cashflow.