To automate your investments, make automatic deposit into an index fund or a group of stocks (popularly referred to as a ‘pie’). Most investment providers enable you to make periodic investments of your choice on a daily, weekly or even monthly basis. With this strategy, you can ‘set it and forget it’, and make sure that you invest regularly without having to execute trades over and over. It is a systematic process which enables you accumulate wealth over a period of time and is almost optimal when used with dollar cost averaging.