Access and site conditions
Crawl space height, clay-soaked soil, tight access hatches, occupied living space above, and slope all affect labor time and sequencing.
What the scope actually covers
Get explicit about repair boundaries, dehumidifier capacity, material compatibility, disposal, testing, and restoration work.
Permits and who else might be involved
Some Birmingham projects need permits, engineering input, environmental testing, or other trades -- confirm with the provider and the city.
Planning numbers only
Nothing here is a quote. Get a written, property-specific number from a provider who has actually seen the space.