create an app where we can update and sell items from

i need to get a app created where we can update the app items we are selling. our business is a delivery store for food where people can buy food and order it for pick up or delivery also tell me the payment processor we will use and how we update the app will it be from a external cms? ## Deliverables [login to view URL] requirements notice: As originally posted, this project does not have complete details. Should a dispute arise and this project go into arbitration "as is", the contract's vagueness might cause it to be interpreted against you, even though you were acting in good-faith. So for your protection, if you are interested in this project, please work-out and document the requirements onsite.