Sean MacEntee provides advice for starting a new business, emphasizing the importance of repeat customers, low sales values, and an easy purchasing process. He stresses having cash in advance, selling via the internet to reach a global market, and developing products with export potential or franchise opportunities. Key recommendations include having a unique selling proposition, enjoying what you do so it feels less like work, building wealth rather than just a wage, protecting your idea from being easily copied, and following successful models elsewhere with minimal capital expenditures. The document encourages entrepreneurs to clearly explain their business, focus on must-have rather than nice-to-have products, limit technology needs, promote via the internet, develop secret ingredients, target recession-proof industries