what is an acceptable annual net return on a franchise. most sought after franchises?

Having created and implemented a franchise sales and compliance program for a pizza and mexican franchisor, with FTC filings and UFOC development, I would say that it depends on a number of factors. An "acceptable annual net return" can be deemed very high or very low by your most important audience...your potential franchisees. The factors that have a direct impact on what "acceptable" means are the following