Recommended is the writing instrument actually most frequently used; a 'tradition' in favour of the fountain pen does not exist. Warranty-wise: every commercial dealer must grant two years' liability for defects, regardless of whether bought online or in the boutique. Additionally Montblanc grants a manufacturer's own warranty whose scope can vary depending on the dealer relation. Advantages of online purchase: from a goods value of 40 euros the buyer bears no return shipping costs and can test the product at home; disadvantage is the missing personal advice. Meanwhile Montblanc specialist dealers may also sell their writing instruments online.