Branding Kit Creation

I'm seeking a professional to develop a comprehensive branding kit for my business. The kit should include a variety of elements. I already have the logo just need the branding kit.

Key components of the branding kit:
- Business cards
- Letterheads
- Invoice templates
- Email Signature
- Envelope design
- Social media kit
- Favicon/Icons
- T-shirt & Bag Mockup

The ideal freelancer for this project should have:
- Prior experience in creating branding kits
- A strong portfolio of designs
- Excellent communication skills to ensure the vision aligns

Please provide:
- Your rates for this project
- An estimated timeline for completion
- Confirm that the project will be delivered in editable source files

Thank you!