Putting in a new HVAC system is a capital improvement.Landscaping the grounds to improve curb appeal might also get you a higher rent.

The town responsibility for water ends at the curb.

You amy, by taking the adjacent property be able to build on part of your original lot and partly on the new lot, like a garage (which I know is a valuable asset in your area) but unless you can improve the property like that, the additional land will have little value except as a minor amenity or astetics and curb appeal.

Sidewalks, streetlights, fire hydrants, curbs, gutters, storm drains etc.

The new supply will curb prices some.

The goal is to create a curb appeal that would get people out of their cars.

Twice we've stored the household goods and once we put them out on the curb.  

Really nice curb appeal, and the rehab is super. 

Is it just me or does a brown exterior detract from the curb appeal of a home?

Just kicking around ideas to really add value here that an appraiser would really like.Some other things I thought of - a) Touch up some fading paint on the alum sidingb) Repaint the metal sheds (there are 2) in the backyardc) Put a wooden fence in front of any front-facing chain link fencing to increase curb appeal