You can publish courses on Cogniterra without paying any fee or subscription, and Cogniterra only receives a commission from successful purchases.
Cogniterra commission
If the author promotes their course independently, distributing information and links to it, Cogniterra takes a reduced commission of 7% of sales, with 93% transferred to the author. The minimum course price on Cogniterra is 10 USD.
Taxes
Cogniterra does not assume any tax obligations for paid courses. After you received the money from Cogniterra, you must pay your taxes yourself on the basis of your taxpayer status and laws of the country of your residence.