Tokens without a listed price count at your token estimate ($0.10 each unless you changed it on a deck page). Type what each deck costs you in the Cost column; the ratio fills in. Click a deck name to open the full breakdown.
For a deck that isn't in the list yet. One card per line, like 1 Sol Ring or 1x Sol Ring (CMM) 400 (add the set and number to price the exact printing; with a name only I use Scryfall's default printing, which can be cheaper or dearer than the one in the deck). Foil: add *F* at the end.
Tokens in the box (optional, same format):
Pick a set. I open virtual boxes using Wizards' published pack contents and odds (from MTGJSON), price every card at TCGplayer market, and show you what a box is really worth, from average to the unlucky end.
Import your eBay orders report so every deck and box shows how fast you sell it. In Seller Hub go to Orders, then Download report, choose the longest date range you can, and pick the file here. Import as many times as you like: repeats are ignored and new sales are added. The file stays in this browser and is never uploaded anywhere.