True, but if their grad students tell them "If you buy this product, I will have more time to get real work done", then they would probably be willing to dip into their grants.
Just to be clear, Quartzy is free for scientists to use. We want to close the gap between suppliers/manufacturers and scientists. So we are making money by hosting catalogs, running deals etc. Basically charging suppliers who have deep pockets instead of the scientists who are always strapped for resources.