Total ripoff

When I had signed up for the app, I was told that the delivery charge is $2+5% of cost of stuff ordered. I was not even shown the total price until the delivery guy arrived. I was charged $6 as deliver fee and paid $5 in tips...My item cost was $10...they charged me $11 for delivery fee and tips for an item that costed $10...what a rip off this app is...Ubereats had flat delivery charge of $4.99

ujjwal2509 about Favor: Texas Food Delivery, v142.4.5