I am personally going to advise that you should review all the documentation of the business no matter what. You might be able to see any loopholes that might put you in trouble.It is important to ask different questions or research, the main thing would be to know the legal side of the business, if it has any past, pending or potential lawsuits, if the procedures are well documented, the type of What are your biggest challenges at that moment. Last but not least, investigate the reason for the sale.