What, zero? (GP didn't say anything about using Hashicorp-managed products, they're open source and beer-free to use. Another comment says Hashicorp's platform doesn't even offer Nomad (yet?) anyway.)
If you need features offered by the self-managed Enterprise version of a Hashicorp product, I've heard the price tag is something like low six figures per product.
Hashicorp is very inflexible about support plans -- either you go all in on their Enterprise product, or you're self supported. By the time you've licensed Nomad, Consul and Vault -- because they interact and you will find Nomad support ends where Consul support begins, and so on -- it is a LOT of money.
