To do it correctly a couple hundred thousand. The bigger thing is the relationships with advertisers. It will be very hard to compete unless you have the best payouts and also the ability to sub affiliate. Then there is the issue of fraud. You do not want to be the one holding the bag. So really a couple hundred thousand for hardware/bandwidth A strong company reputation with networks so you can get good deals and sub affiliate out Some really good programmers who have experience handling very high volume traffic. Someone who has a lot of experience with anomaly detection and fraud prevention. A expert marketer with a proven track record who can get you off the ground. thats my 2 cents
hmmm when do you expect to payout your affs? cos the shorter the pay period the more u jumb into the market easily and draw up the affs in. like shoe said, a couple of hundred thousand bucks would do the magic.