Devices

This link takes you to a table that shows the most cost-efficient items to disassemble in order to create invention devices such as rod-o-matic and gizmo shells.

Perks

This link takes you to a table that provides the GP/XP and XP/H for creating perks.

Disassembly

These will display a table of items that disassemble into the respective material along with a calculated cost and toggleable junk chance reduction.