I agree and think the timing is everything - When you are the first one responding to a job request, your chances of winning increase considerably. We are doing this with an internal tool at Light-it (the agency I run) which has been paying off really well. It notifies us via Slack of the best opportunities for our business.
In case anyone is interested in reading how: https://lightit.io/blog/how-we-are-using-technology-to-hunt-...
PS: I think this should not be in the Ask section.