Each of these offers different opportunties and varied results. What it is and how you do so requires two very key elments.
Those are INFORMATION AND KNOWLEDGE.
Knowledge is power but only when it comes as a result of accurate information.
Statistics tell us that most of us today will have 30 years left to live in retirement. How choose to live them is up to you, but remember they will be very different from the retirement of your parents, so may sure you make the right and most informed choices.