After enquire from d printer(sound,honest,delivers promptly) d cost that which he produces each gift items.Write a prosposal & visit businesses,schools,churches & mosques etc.eg to produce customise 40 exercise book is btw 32-35 naira for 500 quantity,Dont be greedy,add your profit.This process you use for all branded cards and now that it is christmas season you can add cards.To enhance your market ask friends,family,members of same religion to assist in spreading your business by word of mouth.