Let your developer know up front how much you have to spend, don't make them guess. They know what they can build projects for and letting them know up front helps them decide what tools to use and even whether they can afford to take the project or not.

He recommends the client ask for references and check them before committing to the developer and how close they came in the past to the goal budget. They should understand that, once the initial price and design is agreed upon, changes should be handled separately - no one-off requests squeezed in at the last minute. Hitting a moving target is asking for trouble.

emPHPower should be a mediator between various (potential) participants in the PHP world. As such emPHPower could serve as a mediator between the PHP.net developers and its user base, between corporations and PHP.net, between corporations and grass roots organizers etc. [...] There are is fundamental concept that I see in this vision: emPHPower is a mediator and catalyst that empowers members of the community to follow their own ideas.

He talks more about the actual "doing" of his ideas and mentions things like the project's budget and where it would come from - the possibility of member fees (based somehow on cost of living).