For example in my duplex the copper water piping developed pinhole leaks in several areas and needed to be replaced.

The same applies to development, flips, etc.

I recently completed a 2-year leadership development program with a Fortune 500 company and accepted a full time offer in Clearwater FL.

Makes it difficult to get accurate value because of small sample size.Some infoLocation, affluent west shore suburb of Harrisburg, low crime,  family oriented neighborhoodRanch style, 2400 Square Feet total, everything updated by hvac system (works fine)Each unit has 2 bed 1.5 bath, one is 1400 sq other is 1000Rent is 1450 one side, 1500 the other, renters pay all utilitiesInsurance, maintenance, and yard upkeep total 3000 a yearGood renter clientele, most are doctors or nurses, close local hospitalsBoth have separate driveway and yard  Located in well of neighboorhood in low tax hampden township, taxes are 3500 a yearThe duplex was grandfathered, out of the 400+ houses in the  development, there are only 5 multifamilies. 4 houses down the street sold for between 380-400k in the last 4 months.

A developer is interested in buying .36 empty acres of my lot for 150K (I want to keep the remainder acreage with the house).

It's long-term business arrangement that gets easier for both client and agent over time as your relationship develops and you get to know each other's habits and preferences.

My biggest recommendation is to surround yourself with like-minded individuals that will help keep you accountable and develop a plan to work toward the designed life you want your business to grow into.

Thanks for the share - we need to find a spot on this place to interact with people actively doing build to rents and actively developing land.... 

There were 4-5 years where all real estate development stopped, leaving a massive hole in terms of supply.

Develop a plan for where you want to be in 5-10 years and how you're going to get there.