[hendler]

At your stage (you mentioned 10 years) a phone number would make a lot of sense, and the added service could be critical if you learn something. As soon as the calls get repetitive then you can delegate the calls. The only risks for you are that the customers really need the calls, and you can't scale to meet the demand.

Phone support is something people are willing to pay for, so it certainly can be worth the hassle.

So I think the delicate task is to manage expectations and roll it out for a few customers to see how it works and gage demand/value.