...holding ~7" long strips of "tape" containing 100 pieces each of 0402-SMD resistors and capacitors, and remembering I have to place them by hand... and I still have not made/bought a solder paste stencil for the prototype boards that arrive in the next week or two.
...having two boxes of 170 pieces each of 2.4" square ~1/4W CIS solar panels sitting under my bed for >2 years, and still not having any good project ideas.
...having all the stepper motors, driver boards, extruder barrel and nozzle for a reprap for upwards of three years, and still nothing assembled and printing.
...not joining Dr. Steel's Army of Toy Soldiers before his "retirement".
...having been a member of the forums for over a year and a half, and still not yet built a bot for MechWarfare.
...opening the package for two 800+ lumen LED's (here and here) and finding that the aluminum substrate PCB's bought to mount them on do not match (PCB product page gave external dimensions of board, but not the footprint).