How can I trade a currency I don’t already have?

<p id="isPasted">Take a paper and write down answers to these questions .</p><ol style="list-style-type: lower-alpha;"><li>How much money do you need?</li><li>How much do you have?</li><li>Can you borrow from family/friend/bank?</li><li>Can you work part time or full time to save towards the shop? If yes, how many months do would you work?</li><li>Even if you had so much money, would you invest that in setting the shop ?</li><li>Do you think shop will generate enough profits you are planning for? (In most cases it takes at least 6 months or more to realize profits, can you survive for so long without profits?)</li></ol><p><br></p><p>Money is just one of the resources to set up any business, more important things are</p><ol style="list-style-type: lower-alpha;"><li>Fool proof business plan (working with experienced people)</li><li>Location (strategically placed to have high footfall and sales)</li><li>Sourcing products from right vendors at right prices</li><li>Marketing your business locally and online</li><li>Workers to manage the day to day activities (if you do everything, how will the business grow?)</li></ol>