One metro, many permitting authorities
Metro Atlanta is unusual in how many separate counties and municipalities it contains, each with its own permitting and inspection behaviour. A contractor working across the metro is therefore not dealing with one approval process but with a dozen, and the difference between the quickest and the slowest is measured in weeks rather than days.
The commercial consequence lands on the estimator. If start dates are quoted from a general sense of how long permits take, they will be optimistic in the slow jurisdictions and unnecessarily cautious in the fast ones, and clients will remember the first kind. Recording permit milestones per jurisdiction from your own completed jobs turns that into evidence: this county has taken this long, on average, on jobs like this one.
Site conditions are a Georgia cost driver
Clay soils, grade changes and intense summer rainfall make drainage, erosion control and site preparation a routine part of the cost rather than an occasional extra. When those items surface as change orders mid-project, clients reasonably feel they were quoted a number that was never real. Capturing site conditions as structured fields at survey and carrying them openly into the proposal costs nothing and prevents the most avoidable kind of dispute.