The requirements are often difficult, if not impossible to achieve in conjunction with other site requirements such as the setbacks and required outdoor area.

I created an electronic google doc time tracker: Time LogContemporaneous time log of rental real estate activitiesActivity DescriptionTenant recruitmentTenant screeningNegotiating and executing leasesOverseeing repairs and maintenanceCommunications with tenants and vendorsTravel timeResearch for potential rental real estate (pub 925)Acquiring rental real estate (pub 925)Paperwork/bookkeeping/bankingResearch and purchase of materialsRent collectionEvictionOn-site cleaningBill paymentOther:Time SpentDateMM/DD/YYYYSubmit

We do land entitlement so we control all sites and tie them up until zoning is approved. we don't buy land that we can't entitle first

Unlike Robert K and many on this site, I judge a property based on total return.  

The Rockcastle Megasite is an example of a site ready property & is only 20 minutes north of London. https://dataispower.org/rockcastle-mega-site/. 

A whole working business with properties, a booking site and a brand that creates loyalty.

To set the scene: A cost seg study breaks your property into two important categories:1250 "real" property aka the building, foundation and other long life assets.1245 property aka anything that can be accelerated such as 5, 7, or 15 year property like carpets, cabinets, or other site improvements.

There a number of good references on this site.

City-Data and Census.gov are solid resources, and sites like Rentometer can give you a good sense of rental prices.After that, I narrow it down to neighborhoods with strong fundamentals—good schools, low crime, and convenient amenities.

So, I called the appraiser and explained that I would meet him on site to go over the paperwork.