A GC will be able to provide an accurate price but especially if you are new to using them may want to be compensated for the walk through.  

With EVs those are high during production of the vehicles. ya other than walking I think every mode of transportation uses some form of energy and does its share of depleting resources and pollution etc.

They will want to walk through the place and may change their offer based on their personal inspection. 5.

Katriana,Normally I would ask what is the rent on the other door/unit but $420K for a Duplex is on the High side unless this duplex is on the beach or within walking distance. 

Nestled in live oak trees and a quick walk across the street to the beach, the property provides a serene setting to unwind.

Anyone who doesn't pay my bills has no say in what path I shall choose and walk. 

Would you have bought it anyway with knowledge of the walking oath?

Walking distance to Hampton Park, and all of Charleston's hottest restaurants and bars!

I will say, if you want them to spend time with you walking you through it and answering your questions, you will want to offer to pay them for their time.

What helped me build confidence were the following:-Listening to as many podcasts including BP as possible-Utilizing the miracle morning routine daily-Read as many real estate investing books that I could get my hands on-Attending as many local real estate meetups as possible-Finding a mentor that was doing what I wanted to do at a larger scale and providing him immense value so he would take me under his wing-Starting my own local real estate meetup-Walk as many properties as possible and make offers.