The diagnosis call doesn’t have to be 45 minutes long. If you strip it down to it’s essence (understand current reality, future reality, micro-close “if I can get you from X to Y would it make sense to lean more?” can be done in a couple of minutes.
The less complex the sale, the less time you have to spend doing diagnosis.
You can absolutely do a diagnosis call, service pitch and then close the sale in one call if the deal size is low enough or the pain is strong enough.
