When picking an artifact management tool, it's essential to evaluate the quality of vendor support before signing a contract. To gauge this quality, look for signs such as all-tier support, quality technical documentation, glowing support reviews, human contact with relevant replies, knowledge and empathy, accountability, service level objectives, sales highlights support, all-access self-service support, interest in your future, a named success manager, and customization being up for discussion. These indicators suggest that the vendor values its customers' experience, is proactive, and prioritizes their long-term success. By evaluating these signs, you can determine whether a vendor's customer support aligns with your needs and ensures a positive user experience.