Get a $60 belt sander from Harbor Freight.
https://www.harborfreight.com/1-in-x-30-in-belt-sander-60543.html
Throw away the plastic guard and the sideplate.
Get these belts(I'd say 3 of each should last you years, only need one leather belt):
https://trugrit.com/index.php?main_...Page=0&zenid=273fb4fffdfc4bdd0be34909ffca7cc0
BL3M130-0080-A300CF -- knocks out chips and puts on the raw edge on a dull knife, do not use unless you have to.
BL3M130-0240-A65CF -- sets your edge
BL3M130-0600-A30CF -- refines your edge
BRNT130-1200-X16U936 -- Finishes your edge
Get a leather stopping belt, load it with jewelers rouge, and knock off the wire you created. You know what gold flake looks like? If you did everything right, the last belt before the leather strop will make steel colored flakes all over your edge, and lets you know you've got a nice edge(knock it off with the leather strop).
Here's a good tutorial. You don't need to use all the separate devices he uses, just change belts.
This will get you the best edge in the shortest amount of time. You can vary the angle for kitchen knives as opposed to hunting knives/edc. Works for axes, chisels, scissors, swords. Puts a nice convexed edge on your blade, which is sharp, but tough.