Pretty close.
There are certain fees that have minimums, but over all you can expect to pay about 20% of your selling price for using this venue.
In addition, as a new seller, Paypal will hold your customer's payment for 21 days against your good performance. You can print your shipping labels immediately though.
EBay is somewhat more expensive than other sites, in part because it is actually possible to sell stuff here. Other sites,you list but don't sell.