Have a mine subsidence survey done if you see something suspicious.

I would say the first step is a survey, maybe geotech depending on the lot and your area's requirements, and then contact a local architect that you like the work of and feel you would enjoy working with!

But that price did not include what I planned to provide: 0.7-0.8 AC lot, permits, survey/replat, septic, well(?)

From surveying and planning to obtaining permits and architectural design, the journey to make the land shovel-ready demands time and energy. 

From surveying and planning to obtaining permits and architectural design, the journey to make the land shovel-ready demands time and energy. 

An online tool that I always use is the USDA Natural Resources Conservation Service's Soil Survey tool.  

(But I may screw up your survey...) 

A survey by McKinsey and Co. found that nearly one-third of employers will likely drop coverage for their workers once ObamaCare kicks in..

Lots of money in surveying, land studies, council meetings etc. 2-4 years sometimes and hundreds of thousands of dollars in just development fee's.

You can't just buy it and flip it without ALTA survey, Phase I, clear title commitment.