I can only speak to what we do at Catalyze. <a href="http:&#x2F;&#x2F;content.catalyze.io&#x2F;blog&#x2F;why-there-is-no-up-front-pricing" rel="nofollow">http:&#x2F;&#x2F;content.catalyze.io&#x2F;blog&#x2F;why-there-is-no-up-front-pri...</a>