MATT RIDLEY

Getting great deals is fun, but it turns out that giving to charity feels even better.

If you get the opportunity to give a little extra for a good cause, go ahead and do it.

For a set period of time, divert one specific expense to a charity of your choosing.

You may choose to ride your bike to work once/week or give up Starbucks. Calculate the money you’ll save and then redirect it to a specific charity/cause.

If you want to be more effective, if you want to “get more done,” or even if you just want some breathing room in your life, you need to say no more often.

Again, every request has a cost . By sayi...