Reactivation is often a quicker, simpler, and more effective approach to increasing revenue than attracting new customers. Your old customers already know and Trust you, and they’re aware of the value you provide. You have their information — you don’t have to find them. Your cost of customer acquisition (a component of Allowable Acquisition Cost) is low — all you have to do is contact them and present an attractive offer.

A successful business, roughly defined, provides (1) something of value that (2) other people want or need at (3) a price they’re willing to pay, in a way that (4) satisfies the customer’s needs and expectations so that (5) the business brings in sufficient profit to make it worthwhile for the owners to continue operation.

Experience makes it easier to avoid Absence Blindness. Experience is valuable primarily because the expert has a larger mental database of related patterns and thus a higher chance of noticing an absence. By noticing violations of expected patterns, experienced people are more likely to get an “odd feeling” that things “aren’t quite right,” which is often enough warning to find an issue before it becomes serious.

A great example of Guiding Structure is the “Sterile Cockpit Rule” that the Federal Aviation Administration (FAA) instituted in 1981. Most airline accidents happen below ten thousand feet, where distractions can be deadly. Above ten thousand feet, pilots can talk about anything they want, but below ten thousand feet, the only discussion permitted is about information directly related to the flight in progress. By eliminating distractions, the Sterile Cockpit Rule reduces errors and accidents.

The Golden Trifecta is my personal three-word summary of How to Win Friends and Influence People. If you want to make others feel Important and safe around you, always remember to treat people with appreciation, courtesy, and respect.

Choose a lovable project. 2. Focus your energy on one skill at a time. 3. Define your target performance level. 4. Deconstruct the skill into subskills. 5. Obtain critical tools. 6. Eliminate barriers to practice. 7. Make dedicated time for practice. 8. Create fast feedback loops. 9. Practice by the clock in short bursts. 10. Emphasize quantity and speed.

In the long run — and often in the short-run — your willpower will never beat your environment. — JAMES CLEAR, AUTHOR OF ATOMIC HABITS Let’s say you decide to remove refined sugar from your diet. There’s overwhelming evidence that it’s not good for your health, and you’re convinced your quality of life would improve if you can kick the habit. There’s just one problem: sugar tastes good, and you experience cravings that are difficult to resist. How can you make it easier to change your eating habits? One of the most effective strategies is simple: don’t purchase products with refined sugar at the grocery store, get rid of any food with added sugar in your house, and purchase a few healthy snacks that meet your new criteria. If sugar isn’t available when and where you experience hunger, and if there are easy alternatives to your typical choices, there’s no need to resist temptation: the structure of your immediate Environment makes your new behavior automatic. A few minutes of willpower applied to altering the world around you can make it much easier to act in the ways you’ve decided to act.