Those daily deals can be a real deal - or they can lead me right down a path...
Missouri Star has scads of free patterns using precuts; you can watch tutorials for many of them on youtube. They also have a TON of other useful information. Here's basic info on precuts:
http://blog.missouriquiltco.com/?s=standardization
Here's what you need from various precuts to achieve different quilt sizes. As you will see, one precut can get you a twin-sized quilt - depending on the pattern, of course.
http://blog.missouriquiltco.com/what-can-a-precut-make/
I've made a queen size from 2 jelly rolls with very, very little left. Another good source for free patterns using precuts is moda's bake shop; you can search for patterns by whatever precut you have.