Don’t go even near to Antminer S9. You can get more profit with the help of a faster ROI if you check out the S9 is high-priced as it is a big company.

you should engage Antminer S7. its hash power is about 4.73 TH/s.

In a case, mining Bitcoin can be still a fun and even money-making if you’ve low-priced electricity, a competent mining machine, and the best mining hardware. Antminer S9 is among the best.

Mining is a risky investment, I suggest you to invest some of your assets not all you mentioned.

At current trouble and network hash rate, Assumed your 20 KH/s, IN long-term, you must be getting a block every 4.5 days. it totally hangs on your luck! It might take you 2 days or 8 days.

It is pretty risky and crazy, investing $4000 is fine, I think.

 BTC China Pool, BitFury, DiscusFish/P2Poo, and AntPool are among some legit BTC mining companies.

Some ways to get Bitcoin are:
•   BUY- Buy Bitcoin from the best exchanges which offer best rates and which are also reliable.
•   Earn-  You can earn a lot of Bitcoin through mining. However solo mining is not moneymaking hence, people are choosing cloud mining that not only becomes you economically free but also, supports your close and dear ones in making passive incomes. But, be careful of the scams emerging every day.

You might start to earn free bitcoin just by using our online rotator that will lead you through websites, generally called faucets, that give you Bitcoin just for visiting them. You just have a wallet address to get them.

Some reasons that represent Bitcoin a new asset class:

Investability
Correlation of Returns: Price Independence
Politico-Economic Profile
Risk-Reward Profiles

He would be in debt of capital gains tax on the difference amongst the present value and the value of the coins at the time he got them. This tax must be compensated to the country in which he got the house, and, rather possibly, also to the U.S. If that's the case, he might want to ditch his U.S. nationality before he purchases. Moreover, he absolutely has to hire a cleverer lawyer.

Bitcoin is a system that objects to simplify transactions without the necessity for a bank.
People have a tendency to overlook the statistics that anywhere one manages the value in different systems inevitably forms an economy. There shall be tools and factors that affect this economy to promote it. Banks are among the factors that affect the economy. Banks proceed within another kind of economy. Banks are considered to safeguard people’s money, offer the same money to people that essential to collect interest and eventually have the money replaced within to generate maximum price per rotation.

The growing in bitcoin transaction capacities demonstrate no sign of reduction, and so far, the 1MB block data perimeter is no nearer to being higher than it was six months ago. Whether and how it is raised? How will scalability be solved?

In my opinion Bitcoin will soon become the new value of currency in the internet and soon it will use to buy everything but it need some time to allowed by the governments.

It would be good to store Bitcoin because of the raising in its price. I do collect Bitcoin and I also sell some if in need of cash. I spend my physical money to achieve my needs but in case if my real money is not enough then might I spend the Bitcoin I saved.

People should use Bitcoin because of some following reasons:
•   It’s fast
•   Cheap transaction
•   Central governments can’t take it away
•   There are no chargebacks
•   People can’t steal your payment information from merchants
•   It isn’t inflationary
•   It’s as private as you want it to be
•   You don’t need to trust anyone else
•   You own it
•   You can create your own money

Always keep in mind if investment can make you rich in short time then there must be heavy chances of loss and risks. Bitcoin is just a money form and it will help you in many ways. Bitcoin will not do anything to make you rich because the strategy and hard work of the person make a man rich.

•   Armory: Open Source, very secure, full node, and very complicated.
•   Coinkite: Easy, Multiple key options (m-of-1/15), and lets you generate the keys offline.
•   Electrum: Offline, multiple key options, Free/Open source.
•   Coinb.in: simple, Open Source, and bare but reliable.

I can't really see any cryptocurrency being an efficient source of income. The price fluctuates way too much. One day you could have 50,000$ in a certain coin and the next day you're flat broke and can't pay bills. Of course it would work if you were very, very good at predicting the price of the coin so you can exchange when you feel the price way going down, or get more Bitcoin when you think it is going to go up, but you'd already most likely been in luck for a stable job if you were good enough at that.

Here are some disadvantages noticed by users.

Bitcoins Are Not Widely Accepted
Wallets Can Be Lost
Built in Deflation
Bitcoin Valuation Fluctuates
No Valuation Guarantee
No Buyer Protection
Risk of Unknown Technical Flaws
No Physical Form