Indeed, this is the correct answer for 85% or more of SaaS businesses. As a CTO who makes buying decisions, the worst thing you can do if you want my business is bury the pricing behind one of these. I know the game, I despise the game, and I don't have time or willingness to "do the enterprise dance" unless I am already a happy customer. Even then, I've migrated to competing services to avoid that, so consider that when designing your "sales pipeline"