build a website very similar to teespring.com

[login to view URL] allows people to design a t-shirt. Once designed, they can crowdfund the t-shirt, so they could sell the t-shirt in a way like people raise funds on kickstarter.com. If enough buyers buy, the website will charge the buyers, place an order with a supplier, and then send the t-shirts to the buyers. Specifications To build a website very similar to [login to view URL] Differences are: i) University section not required ii) No up-sell feature iii) Up to 4 payment methods. iv) Design similar to [login to view URL] Important Points i) Responsive and dynamic, like teespring ii) dynamically calculate the price of t-shirts dependent on factors such as quality, quantity, colour, etc… Client will provide a spreadsheet giving values, iii) have a coupon discount system and referral program iv) Messaging v) multi-language support vi) have a help section vii) allow users to track orders, viii) allow users to login using Facebook, Google and Yahoo ix) Have processes in the same order as in the website. For example users do not need to login to design a t-shirt – they are asked to login afterwards x) have a fully functional back-end where Client control the website, and can add or amend orders, etc xi) The t-shirt supplier will need to be given Client orders of t-shirts. The back-end needs to allow for client to send orders via email to the suppliers. xii) Client is to provide all content. Answer both the below questions with Justification: - Give us a comparison between PHP and ASP.NET - Recommend one technology for the project. ***Note: - Submit complete technical proposal with all the features along with timeline - Generic proposal will not be considered - Budget is not a constraint - Need to start working from 20th July 2015. - I will be finalizing the contractor during this weekend (Saturday & Sunday) - More projects to start after completion - We are open for Freelancer or Company (Both) - Excellent communication skills - Must be punctual & Loyal