[header] How to buy euros online [title] Watch the exchange rate between the euro and the currency used in your country. [step] You want to be able to buy as many euros as you can. Look up the current exchange rate and find out whether the rate is falling or rising. 
It may be helpful to look at a graph for the last few months to see how the euro is performing against your currency. [substeps] Determine which currency is being used to calculate the exchange rate; this is called the base currency.