I'd say two years minimum. That's if desperate to unload.
But there are other factors needed in this. Is the $14k profit, or just income? You answered the exclusivity already.
But a network of sites is a crown jewel in this business. I honestly think you need one to be competitive. Whether paysites, TGP, or whatever. That way you have more traffic control, and options on your own upsells, etc to keep the money in your own coffers.
