We are a startup enterprise that specialises into small to medium sized web project develpment. As we have been in this niche at our local market for a while, therefore we have accumulated numerous know-hows, that significantly aids us into reducing costs.
Side note: scenario described one vote per IP would not really work as there are numerous people who use NAT which results into them having the same IP. Besides, someone who knows how its done can change his/her IP address in matter of seconds.