First experience especially matters alot.
How the new customers are treated gives them good or bad, and possibly lasting impression about your business, company, organization, network etc. This consequently affect sales
Every possible thing should be done to let them know you really care no matter how difficult or impossible their needs are.
Remember, don't behave like you don't get rewarded for helping
You actually get rewarded somehow, for example inform of coin price gain, assuming you're into volunteer job in decentralized cryptocurrency opensource community-run networks