HI there,
==Do you need a membership site user can select their preference and pick the units ?
==please share your requirement in detail .
==What will be types of preference ?
==Which payment gateway you want to integrate ?
==What is your target locations /audience ?
please confirm .
I'm a PHP expert worked on many sites in technologies like PHP , Magento, wordpress, opencart, Shopify, HTML5, responsive, website design, development, product management experience and also frameworks like Laravel, Smarty, Yii 1&2, Cakephp, CodeIgnitor etc
please open message board and discus in detail so that i can provide you best solution as per your requirement .
With Regards,
Roshni