see what you can do first with the resources you have now

Work with what you have. I didn't spend $200 to change my flight and attended the part of the meeting I could. I saved money and obtained all the value I was going to get from the first part of the meeting. It turned out the meeting only went to noon and I obtained most of the info I needed from a fraction of the time.

begin with the end in mind

Before investing time in learning something, make sure your source materials and instructions are aligned with the topic and appropriate for your needs. If all you have is peanut butter and jelly don’t waste your time reading how to cook the perfect steak.