My "Tuesday Tip" is one that many of you may already know, but it was new to me not long ago. It is "spiraling" the seam allowances at the intersection of the 4 squares in a 4-patch. There is a link to a video which explains it better and quicker than I could. It first talks about nesting seams, then goes on to talk about sprialing seams. It's a great technique and makes your 4-patches behave that much better!
https://www.youtube.com/watch?v=YJNgDoOmsdo