Our software Kronocard, tutorials and training videos are all free to use. We do provide additional services for minimal fees such as the documentation of the card number and player name, premium version with sales reports but those are optional.
The eBay connector is free for up to 50 cards per month. For more than that, you can subcribe to a monthly plan. See https://subscription.kronocard.com
We may, at our discretion, add new features and tools that will requires a payment or a subscription.
Kronozio.com our marketplace
Listing on Kronozio.com is free. You can list millions of cards for free. We only charge a small 10% of the total invoice when you sell something. We think that it's very reasonable on todays market and we are the only platform that come with a free software.