Should I create a master doc of possible repairs/costs and then plug in what I think a house would need? 

In some cases, they vary that much in the same town.This creates a situation where I have to explain to people the difficulty of buying in certain areas.

I have an idea of creating a hotel booking website.

Entire years of real estate statistics have been revised in the past, new indexes have been created to restart the clock, and even the national GDP was revised.

https://insiderlouisville.com/economy/ge-appliance...The appliances manufacturer will invest $475 million in products, manufacturing and distribution, as well as create more than 1,000 new jobs.

You can use it in many contexts but the basic idea is for the subcontractor to suggest to the GC/Owner about various design/product changes that could save a decent amount of money.

It was also a seller's market and my finished product was nice enough for buyers not to care.The other properties I do own that have them and I  lease out to an oil and gas company. 

@Orestes Romero - What sort of product are you looking for?

I'll create an amendment to her move-in inspection report and let her know she won't be charged for those items upon moving out.

@Paul Caporali remember this game is slow and steady.As time progresses you will find other opportunities to help you towards your next if you work at it.Keep building/creating equity you can use, keep networking so you can create relationships for the future(partnerships etc).