Secure Private Jet Sales Site

I need help securing my site for private jet sales and charters.

Requirements:
- Gated Listings: User registration required
- Lead Capture: Email subscriptions
- Agreement Checkbox: Users must agree to terms before accessing content
- Tracking: Sales conversion tracking

Ideal Skills and Experience:
- Web development expertise
- Experience with secure gated content
- Familiarity with lead capture tools
- Ability to implement tracking systems for sales conversions

Please provide cost and timeline.