Link of Blog:
Bitcoins were predicted to be dead a few years back when it had started falling down from $20000 levels. Over the years it has although not reached the same levels but still it is managing to stay close to $9000 levels.
I am not a huge fan of professional mining as it requires lots of electricity consumption and might end up damaging your personal PC as well and don't even recommend investing in scheme for the novice.
At same time bitcoin can still be collected in safe manner via some good PTC sites.
Before that there is one which is evergreen and not to miss BTC site:
Here goes the list.