Failure to invest in these key app development items upfront could result in a substantial amount of lost time and money down the road.
Non-Programming Team Members
Countless research studies have examined optimal group dynamics, and one thing they consistently reveal is the importance of having teammates with varying perspectives.
Try to have at least one person on your team who specializes or previously specialized in a field other than programming. On a certain level this might sound counterintuitive to creating a well-oiled team, but you'd be surprised to hear the valuable insights that someone with a different background can bring to the table. It might even inspire a revelation that could cause your team to rethink your entire approach.