What's the consensus (if there is one) on the most cost effective parts to

3D Printing
,
1

What’s the consensus (if there is one) on the most cost effective parts to pick up from Misumi? The First150 ends tomorrow, and I’m not quite set on the parts I’d like.

2

I bought extrusion. 25 meters of 20mm for $157. Printed M5 jam nut holders and brackets.