Web to print ecommerce site run from 4 different specialty domains

Hi, this project is for 4 Web To Print HTML-5 e-commerce websites. I will supply the logos, and some graphic designs, in psd format, and with templates where you would built the html from. You would need to do other graphic design yourself. The reason they are 4 sites is because I want to promote them in a different way, with their own url. Also the design area will be different. I want them to be built in a way, where i could also launch them together as part of 1 site, later on. They are : 1. Online business card design A general outline of the process is: Customer chooses up to a maximum of 10 templates. Customer enters their details they want their business card to have. Customer has choice to upload logo, pictures, or complete artwork. Customer can browse from a list of images from website, to include on their cards. once the customer completes the design, they can view it in the up to 10 templates they chose. Customer picks which design to print, and approves, payment made a pdf file is generated, so it can go for printing. PLEASE LOOK AT THIS WEBSITE FOR REFERENCE: [login to view URL] [login to view URL] Birthday Banners We will have Different size banners on offer. Exact specs supplied to the company awarded this project. Customer chooses 1 design from our templates. Customer can customise the template by uploading photos and entering text. Customer chooses 2nd side of banner. Once customer approves, and payment is made a pdf file is generated. Needs to be easily expandable in order to include other event banners. [login to view URL] car Window / Shop window Vinyl Customer can choose from our ready designs, or images. Customer enters the size of the car window or shop window. Within that size the customer can view the ready designed template. Customer can upload logo, pictures, and enter text. Once approved, and payment is made a Pdf file generated 4. Wall size murals Customer can browse from our image library, or upload own photo. Customer selects the size of the wall, using sliders. PLEASE LOOK AT THIS WEBSITE FOR REFERENCE: [login to view URL] The image they chose is then displayed on that artboard. They can manipulate it and crop it etc. Also able to make their own mural from their own photos. A pdf file generated once customer approves, and makes payment All these websites will have the same 1 account payment gateway. The same api needs to be built and included in each site. All websites need to be done in HTML5, viewable by all devices. PROJECT PAYMENT DETAILS: 1/3 payment upon completion of 50% of this project. 1/3 payment upon 100% completion of this project. 1/3 payment after uploading to my server and succesfully testing, running bug free. The company that successfuly bids and gets awarded this project will be given additional work in the near future. In addition will be awarded all upgrades that will be made later on if they are within their area of expertise. Thank you :)