The point is that in-person time is extremely important for remote teams. But you don’t need it every day, and the reason you need it is not to get more work done. The reason you need it is to sustain the human relationships that will enable you to get more work done.
…kup is a description of a plan. If you never execute the plan, the mockup didn’t serve its purpose. If you can execute the plan without doing a mockup, then by all means save yourself the time. Your success is defined by no more, and no less, than your impact on the product itself.
nship with developers rat…ou hand it off, and the extra effort you spend getting it from great to perfect is not worthwhile. (And if every pixel has to be perfect in order to achieve the right in-product result, focus on your relationship with developers rather than your deliverable.)