Going it alone or in a partnership?

1. Which business model is the best: Working independently or with a partner?
2. What are the benefits and disadvantages of each one?
2. What are the ways for choosing a business partner?

http://www.law.cornell.edu/wex/partnership
http://www.inc.com/margaret-heffernan/you-need-a-partner-to-start-a-business.html
http://www.capetownactiva.com/resources/read/you-dont-have-to-do-it-alone-use-key-partnerships

L’origine de la tournure à cor et à cri

1. Quelle est l’origine de l’expression à cor et à cri?
2. Est il plus populaire que à grand bruit?
3. Comment la traduire dans une autre langue?