Right now, 18F is primarily a product delivery team within FedGov, but -- due to the volume of work they're receiving -- they've started a process to prequalify

Right now, 18F is primarily a product delivery team within FedGov, but -- due to the volume of work they're receiving -- they've started a process to prequalify a small number of vendors to take on work they can't. "Buy first" would flip the script and force them to outsource to federal contractors their projects as the default option, or else get them out of the procurement side and force them to compete with contractors for work from contracting agencies.