Agree with Jimi that one of the most correct antonym for "free of charge" is "available." But, "ordered" or "priced" could function as the alternative of "free of charge." This book is free of cost. This e book is priced. That dessert was free of cost. That dessert was bought. https://search-engine-optimizatio43220.worldblogged.com/42874681/a-simple-key-for-buy-backlinks-unveiled