Flying is very rewarding and a fascinating activity. If you are interested in gaining a PPL, you should do so for fun and for the pure pleasure of it.
If, once you have the PPL, you want to add ratings etc., then that is also great - a constant challenge and sense of achievement as your abilities increase and your flying scope broadens.
Whether, at the end of that line, you end up being able to change your lifestyle in a way where flying can meaningfully contribute to your income or become a full time career is not a decision you need to be making today...
Before you get there, you should do your best to try all the various parts of flying - tailwheel, seaplanes, aeros etc. - and get to know all the various possible roles which are out there, from instruction to aerial work, business jets etc... all the way through to an ATPL. There are many more varieties of 'pilots' than most people realise.
To start a PPL, buy a logbook, find some schools local to you and have some trial lessons. Be sure you get these entered and signed off in the logbook and they will count towards your PPL hours. Go with the school where you felt most at ease with the instructor. Don't get too hung up on the aircraft type or even the airfield you fly from - there will be lots of time to fly different aircraft from different places once you have your PPL - but you will be stuck next to your instructor for quite a lot of time in small, loud, shaking and sometimes smelly and hot environment, so you want to make sure you will get on with him/her.
As you gain your PPL you are likely to get a different perspective on what it means to be a pilot, and gain a better understanding of what sort of options might be available to you afterwards.
If you do that and enjoy it, you will have a fantastic hobby and lots of fun over the rest of your life - even if you never make a career out of it
If you set out from day one with a new career in your mind, it's a different approach and, as you say, slightly riskier from a cost/reward perspective; especially since today you probably don't know which type of 'pilot career' you want to aim for/are best suited for....
B.