Any flyer or triple x card can be left at any location on your travels as long as you have permission to leave them there, bill boards, shop windows,public transport like a bus or train, hand them out to people in the street, any easy method that does not cost money yet is not spam, emailing them to friends and family, or even adding link of the card with your details on face book, twitter or your own site can be a good thing, the more you promote your gate way links the more customers you will gain.
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