Another thing you can do if you are are a practitioner in a particular domain is to let your vendors and partners know that you're open to doing due diligence c

Another thing you can do if you are are a practitioner in a particular domain is to let your vendors and partners know that you're open to doing due diligence calls on their behalf. Then if you do take a call, be circumspect but honest in your advice/feedback. That can be great for building your network for the day when you might want funding, advice, or 3rd party intros.