What could happen if your bid is not competitive relative to other advertisers?

If your bid is not competitive, your campaign may not serve because Twitter's ad auction prioritizes bids that offer the best value to both advertisers and users. A low bid might mean your ad isn't selected over higher, more competitive bids from other advertisers targeting the same audience. This prevents your ad from being shown, regardless of your budget. You cannot be sure of maximum results for the minimum price with a non-competitive bid; instead, you risk no results. You will not be charged more than your bid; the bidding system works within your specified maximum.