The phrase "good money" means a high or desirable amount of money. It refers to a sufficient or significant sum of money that is considered favorable or valuable. Full definition
I also made good money for what I did and I knew it was negotiated for me by the union. (remonline.com)
They did pay good money for a book which most of our budget was spent on creating bookmarks, and posters and postcards. (hubpages.com)
Many people pay good money in search of a substance that would truly curb their appetite so they would eat less and lose weight. (articles.mercola.com)