First actual tip, this creates a Mega Mech. In order to use it though, you have to be on either Abberation or Extinction maps (one or the other) and you have to be near the King Titan. Also takes 4 other techs to properly combine. If you have the extensions, worth it. If not, good luck.

Mega Mek doohickey (first tip)

Why is this in saddles?