At least an idea of what you want to accomplish with your system. It's possible to research and make a decision about every little thing or to make changes later but it saves time to know where you would like to go before starting the journey.
At least an idea of what you want to accomplish with your system. It's possible to research and make a decision about every little thing or to make changes later but it saves time to know where you would like to go before starting the journey.