If the investor is spending his precious time meeting with you, then I assume he has at least some interest in your event. If that's the case, then in my opinion, yes it would be a nice gesture and appreciated. Good luck with your pitch!
Ramping up a new business is challenging, and there's no doubt that some — emphasis on SOME — sacrifices have to be made. Destination weddings and big vacations may have to wait until your cash flow improves. However, be careful not to fall into the trap of believing that any time spent away fr...