Obviously it is more fun doing things we like. Too often in life we are forced to tolerate things because we have no choice and this is particularly so with a job. Most companies know specifically what tasks they need done and define a job by those tasks. Sometimes we are fortunate enough to have a job that at least offers a variety of things to do. That makes it possible to like some aspects of it more than others, which helps a little to get through it.
So if you are planning on starting your own business this is your chance to design something that you enjoy doing. You might start by making a few lists that include your interests and hobbies and another one that has all your job experience and skills. Then you can drill down on each point and for example start to analyze ways you could make money from your interests and hobbies and/or with which you could use the skills you have.
Some examples might be if you really love to play golf. The first thing you migh