Your amount sets your spot in the sponsor column and buys credits at $25 each (prices in US dollars).
Every credit is one voting session in front of the panel of leading AI models, at most one per 24 hours, and credits never expire.
The ranking itself is never for sale.
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True Margin Calculator
- Free calculator that shows roofing contractors the exact minimum price they must charge per job to stay profitable, factoring in the waste and overhead that cost most roofers 3–5% of net profit. No signup. Built by a 12-year roofing-company owner.
Construction Calculators · on SaaSHub since Jun 2026 · not a sponsor yet