Reader-first rules
- Formulas and results are not adjusted to favor a vendor, product, or outcome.
- Any affiliate link, sponsorship, or paid placement must be labeled near the offer.
- Commercial relationships do not change calculator formulas.
- Readers should verify permits, tax eligibility, insurance language, written scopes, and safety requirements with qualified local professionals.
Current commercial state
- Display ads: not currently wired.
- Affiliate links: not currently wired as tracked offers.
- Lead generation / inquiry marketplace: not enabled.
- Directory: early, noindex research aid; listings are not paid rankings unless a future sponsored badge says so.
- Wastewater provider research: future pilot only; intake, matching, vetting, rankings, referrals, and paid placement are not active.
- Buying guides: no current exact-SKU picks or positive shipping claims are published without dated seller-and-destination evidence.
Provider-pilot safeguards · Shipping-evidence method
Estimate limits
Local rates, freight, site conditions, labor, financing, insurance, taxes, and regulations change. A clean result is still only a planning estimate. Invalid or incomplete inputs should not be treated as a bid.
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Updated: August 8, 2026.