Ideally you want to know what boxes you need to tick to get the check. Do they already like the product, and just want to vet the founders. Do they not understa

Ideally you want to know what boxes you need to tick to get the check. Do they already like the product, and just want to vet the founders. Do they not understand the problem? Do they get the product, but question its ability to scale? Basically what is the current set of things they require more depth of understanding in order to make their investment decision.