Excel/Google Sheets Form Automation

I need three automated forms created in Excel or Google Sheets:

1. Customer Data Form
- Input client details
- Easy-to-use interface

2. Order Form
- Add items, quantities, and prices
- Drop-down menus for product selection
- Automatically updates with new products

3. Invoice Form
- Fetches data from the order form
- Calculates totals automatically

Requirements:
- User-friendly
- Delivery within 3 days

Ideal Skills and Experience:
- Proficient in Excel/Google Sheets
- Experience with form automation
- Attention to detail