Non-Profit OneDrive Drive Setup

I want to consolidate all of our documents into a single OneDrive shared drive for our small non-profit. Fewer than ten people will be using it, and every one of them needs full administrative access so they can add, edit, and reorganise files without restrictions... (Budget: $30 - $250 USD, Jobs: Administrative Support, Cloud Computing, Microsoft 365, Microsoft Office, Project Management, System Administration, Technical Documentation, Training)