I just finished setting up an online store that involves selling digital content, tangible items like clothes, events tickets etc. However, I have a little challenge on how to charge sellers to add their products in the store. Here are my options
Charge sellers (customers) a high fixed annual fee to add product on the site (prepaid)
Charge sellers (customers) a lower fixed annual fee + low % commission to be retained by my site.
Charge sellers a higher (compare to No. 2) % commission to be retained by my site
Charge sellers a fixed amount for each product they upload
Please which do you think is the best model and any other options you think might be good.