Agree. Helps to section time to product dev and client work. Say, product dev morning till 10pm, anything after is client work. Also, let the clients know if at

Agree. Helps to section time to product dev and client work. Say, product dev morning till 10pm, anything after is client work. Also, let the clients know if at all possible that your are working on a project of your own. Some may be interested in testing, providing connections, or even bankrolling the project.