Question: what do i need to know when buying an existing business?
Answer: The Seller's Motive. The buyer should ask the seller of the existing business about actual reasons that compelled him to sell the business. ... 
The Sales Blueprint. ... 
Financial Mileage. ... 
Legal Agreements. ... 
Standing Liabilities. ... 
Business Framework. ... 
Business Alliances. ... 
Buyer's Interest.