I'm not really into the business of giving out tips, but if you are not using an all-encompassing software to integrate and sync your schedule, then you might be losing time. Most of these are free, and they can allow you to keep track of everything in one place and then access that from your computer, phone, or tablet.
Everywhere you turn, there are lists and statistics. Any business, any sport, any hobby - we will try to categorize who is the best at some component of that endeavor. It's part human nature and part technology, since we have been conditioned to have access to answers and trivial problems at our fingertips.
The only choice that leads small business owners to real success in their endeavors is the one that requires real thought. Understanding and building the systems they need within their company to afford them a framework of organization that can scale the business from a company of one to a company of one thousand.