If you are a busy consultancy producing 50+ calculation packs per month, TEDDS pays for itself in 3 weeks. If you are a solo engineer doing 2 designs per month, it is overkill—stick with Excel or free options like CalcBook .
The TEDDS license cost is not cheap, but it is predictable. Expect to pay roughly $2,100 per year per engineer for full functionality. Do not pay list price—negotiate bundles, multi-year terms, and always ask for the "first-year discount" for new customers. tedds license cost