Separate lifecycle stage from deal stage
Lifecycle stage describes the relationship with the contact or company. Deal stage describes one specific opportunity. Keeping those separate prevents reporting confusion later.
Define stage entry rules
Every HubSpot deal stage should have a clear rule. For example, a deal should not move to Proposal Sent unless a proposal has actually been sent and the close date is updated.
Use required fields carefully
Required fields are useful when they protect reporting quality. They become annoying when they slow reps down. Require fields at stage transitions, not everywhere.
Connect sales to onboarding
If the business delivers a service after the sale, use HubSpot tickets to manage onboarding and fulfillment after a deal is won.