Odoo 17 Multi-Site Fixes

I need an Odoo 17 expert to assist with multiple website configurations under one company.

Key Tasks:
- Fix BoM configuration: Currently set for all sites, needs to be configured for Website 1 and Website 2 only.
- Set up BOGO in discounts & loyalty section. (and make this customizable for us to change easily later)
- Add a €1 service charge for a specific group of customers. (and make this customizable for us to change easily later)
- Correct the payment reminder emails.
- Change email domain for one website.
- Update GLS/shipping labels for B2C.
- Fix issues with automatic emails (design and other issues).
- Correct Payzen's generated payment link to the right payment page.

Ideal Skills & Experience:
- Proficiency in Odoo 17, especially in multi-website management.
- Strong problem-solving skills.
- Experience with email configurations and payment gateways in Odoo.
- Attention to detail to ensure all updates are properly implemented.

Please provide a detailed plan and timeline with your bids. Getting it done in a timely manner is very important and the BoM and BOGO is of highest priority.

Thank you!