Glue and starch. I use best press and magic sizing. I love gadgets, rulers and Books and like PatriceJ I have rulers in the original package. I can't resist when I see someone demo a ruler. I try not to watch! Lol

Embroidery machines and sergers. I know lots of people love theirs but I just can't see me using one.

Serger. Don't see the need for one.

I am careful when it comes to rulers. If I look at a quilt book and it says I have to buy a certain ruler, I put the book down. I already have rulers in my drawer never used or used once.

Artificially scented anything.

I keep thinking it can be done otherwise as the women of the generations before mine, quilted with very simple means... that's whow I like to do my quilts

Starch, and basting sprays.

Basting spray,glue, and fusible anything. I dislike anything sticky around my fabrics.

Haha, I love your comment about making something wrong so you can use the ruler to fix it.

Glue when piecing, but I must admit I am a glue-girl with epp. Starch..haven't used since had to stack and iron dh cotton white dress shirts 10 yrs ago! But my weakness in this place is specialty rulers....if it makes something I want to do easier and more accurate, why not....I'm sure those before us would have jumped at the chance, rather than using cardboard or whatever....and I don't think "to make it wrong so that it can be made accurate" is actually what the intention is. I believe it is to cut and construct in simpler fashion, then fine tune it to the accurate size needed for the project, thus eliminating a possible error. Case in point might be Eleanor Burns has several rulers that are used to "trim", and it may be only 1/8" or less, but I would rather take the time to trim that than multiply that figure over the whole project and not have pieces meet the way they should. But that's me and my justification for purchases.