Wedding & Event Quote Software Development

I'm looking for a web-based software solution to create estimates and quotes for weddings and events. The software will be a copy of an existing one, which I will provide login access to review. Just like https://info.detailsflowers.com

Essential Features:
- Enhanced image integration
- Advanced pricing calculator
- Customizable rules and regulations templates

Ideal Skills & Experience:
- Web development expertise
- Experience in building estimation/quotation software
- Strong design skills for improved UI/UX

Please provide a detailed quote and timeline.