I have bitcoin for alt coin exchanging and btc - usd buying and selling. I also trade CSGO items for a lot of profit.

Since January this year, Microsoft has greatly been supporting ethereum. It is considered to be the "next" bitcoin. It seems like the price of it has greatly increased.

That is a weird statement. If you consider scamming as an illegal activity then BTC can be used for illegal uses. Other than that, there is nothing much left.

On my behalf, I buy BTC for trading with USD and altcoins. It is a great way to make profit as well as enjoying the process. Another reason is also the price increase in bitcoins

The fastest way of earning bitcoin out there is honest working. Getting a job or signing up for signiture campaigns is one of the most profitable ways.
Getting btc fast:

A job
Signature Campaigns
Doing tasks
Scamming (Highly Unrecommended)

I still do believe in Bitcoin as it is a pretty reliable currency and nowdays you can go even further with it then ever before. To me, it is a very valuable asset! ; )

In my opinion, Western Union proves to be a more secure way of money trading and paying, However, Bitcoin is far superior due to its low transaction fees, good security and simplicity!

I have many idle coins in my bitcoin wallet. They have been there for a long time and I just save up with it. If the price increases of BTC then I will sell. (Exchanging). But overall, I just save.