Google Sheets Automation Expert

I need automation for manual data entry in Google Sheets. Currently, data is entered manually, and consists of text and numbers.

Requirements:
- Create scripts or use built-in Google Sheets features to automate data entry
- Ensure accuracy and reliability of the automated process
- User-friendly setup with minimal maintenance required

Ideal Skills:
- Proficiency in Google Sheets
- Experience with Google Apps Script or similar automation tools
- Attention to detail and problem-solving skills