Hi,
I gone through the project description. So basically you need to add Paypal payment option for buyers in your site and add a button "Terms and Conditions" on product page.
I am sure that I can do it fluently.
I have completed projects in magento developments and customisation in past on freeLancer.com, you can check in my profile.
In Short About Me:: I am a professional web designer & PHP developer. I have command over languages PHP, CSS, XML, HTML, XHTML. e-Commerce platforms Magento, CRE Loaded And CMS solutions Word Press, Moodle, Joomla And DataBase platforms MySQL, SQL, PgSQL.
Also have knowledge Site Builders, Cgi, Apache, JSP, JAVA, Ajax, Asterisk, Voip, Perl, Shell Script.
Do not hesitate in contact me, I will be glad in participate in your project.
Regards,
MAX