Photobook Website

We are looking to create a photo-books website where the user is able to log on, upload his photos, or we can upload the photos, we'd like to be able to control this function of if they can upload them or not, drop them into already set photobook themes, and order it for printing. Website functionality requirements: Step 1: Choose between themes, templates, size of books and types of binding Step 2: Making the book: a. upload and store photos in user account b. Option to autofill theme with photos c. ability to switch themes on the fly d. drag & drop photos into pages e. add remove pages allows to choose page style f. toggle between different pages g. arrange order of pages h. section on the page showing different pages of the book in small size for easy access i. Setting and photo editing options: (1) font options (2) ability to add different types of text boxes (3) choice between colour, B/W & sepia photo, cropping (4) crop and magnification (5) landscape or portrait (ability to rotate photos) (6) Background colour of pages can be chosen j. To save the book at any time and return to it later k. Quick view for summary of pages with missing photos or poor quality of photos Step 4: Book preview/ slideshow Step 5: Pay & check out/ Shopping Cart/ confirmation notice Here a high resolution pdf is created and is automatically sent to the printers or to us and we can decide where to print it. There should be an in-built saving function that saves work constantly We also envisage future expansion to other photo products. Platform should be expandable to add these features at a later stage. Other websites to get an idea of the concept: [login to view URL] [login to view URL] We are looking to be able to put this onto our own server and re-sell it to other companies who need this functionality. We are looking to be able form a relationship with the creator, but have it easy for us to update. We'd also like the ability for people select prints to be ordered as well. This would be in addition to them ordering just the albums. The website should be simple to use. We would require continued work updates from developer so we can provide ongoing feedback on site layout and design. I'm not sure of what budget to pick so please you tell me.