The Monkees most lucrative venture the three had ever seen in their days as the Monkees, far surpassing the money they had made in the 1960s. Nesmith had little financial need to join in Monkees-related projects, mostly as his mother Bette Nesmith Graham was the inventor of Liquid Paper, leaving Nesmith an inheritance of over $25 million upon her death in 1980. A new album by the touring trio, "Pool It!" (the Monkees' tenth), appeared the following year and was a moderate success. From 1986 to 1989, the Monkees would conduct major concert tours in the United States, Australia, Japan, and Europe.
Bette Nesmith Graham bank. She realized, as she said, "with lettering, an artist never corrects by erasing, but always paints over the error. So I decided to use what artists use. I put some tempera water-based paint in a bottle and took my watercolor brush to the office. I used that to correct my mistakes." Graham secretly used her white correction paint for five years, making some improvements with help from her son's chemistry teacher at Thomas Jefferson High School in Dallas. Some bosses admonished her against using it, but coworkers frequently sought her "paint out". She eventually began marketing her typewriter correction