What does the "autocomplete fabricators" option actually do?
This option/feature makes the bot detect the fabricators in your backpack and automatically sends you a trade offer with the parts that you are missing in order to complete it/them.
Trade Offer
Auto-Sell Hats
Automatically sell up to 100 of your eligible hats at once.
Don't worry: we won't take special items, including painted, low craft numbers, special levels, spells, killstreaks, etc.
Autosell Cards
Automatically sell up to 1,000 of your eligible cards at once.