I need a vacation rental website

How much would you time and budget for a similar to [login to view URL] Same functions and features everything but with a new and modern theme and functionality. It would have a traveler section as well as an owner section and a fully supported admin panel. Please let me know how much time would it take to complete the website and the overall and full and final budget. I already have a domain and an ssl certificate. I want this work to start and finish asap and the website must have all the latest and updated features. It will also have complex payment gateways i.e. Paypal, Credit Cards, Shopping Cart etc. there should be a custom theme very decent, modern and eye catching see [login to view URL] first look into vrbo, homeaway and airbnb secondly, this site will include jquery, ajax, php and other modern programming thirdly, after reviewing everything give me a price quote and that would be the full and final from your side fourthly, this website would be launched international so i wanted to accept credit card payemnts and paypal payment through paypal API / gateway, i have that already setup and this will also include money booker payments