wordpress or joomla simple and cheap below 30USD.

I need a new website. I need you to design and build a website for my small business. I need a new website. I need you to design and build a website for my small business. i want job board joomla or wordpress with 30USD i have domain and hosting. simple and cheap will do. I need simple template and functions, user register buy service or post job. Partner apply then done the work and get the milestone and end. Need refund or deposit function as milestone we use paypal and credit card 1. Its copyright own for commercial. 2. You have any support or warranty? . 3. User login and partner login is same acccount or different account. 4. This have affiliate programs? Mean someone introduced will have commission 5. Payment gateway is ready?. 6. User and partner will see the deposited milestone and can request refunds.