I frequently run into issues with not only my own quilts, but also those that are given to me to quilt for charity. These posts go through some of the problems I have seen with tips on how to handle them. See also the page on Quilting Basics.
Reworking the Cottage Garden Quilt – Taking a quilt completely apart because I hated the quilting, then requilting and rebinding it. Here is how to skin a top from the backing.
Fixing a Mistake in a Finished Quilt – Realizing there was a piecing error in this quilt after it was quilted and bound, this post will show you how I lifted the incorrect patch placement, re-stitched and then requilted it.
Loading the Longarm – some of the things that I encounter with charity quilts, and how I deal with them.
Fixing More Wonky Quilt Problems – more of the things that come up charity quilting and how to handle them
How to Use a Towa Gauge – solve 99% of your thread breakage with this tool.
QOV Quilt – Fixing fullness with steam after the quilt is on the longarm.