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Bitcoins will go through major change on August 1st 05:30:00 GMT+0530 (IST). A new protocol has been proposed to increase the block size in blockchain, chances are Bitcoins may split into two versions: one with old protocol, another with new protocol. This potential chain split can change the prices of bitcoins. Either new bitcoins will have higher prices or old bitcoins will have higher prices, chances are we’ll can have one bitcoins.
What you should do?
1)If you accept bitcoins as payments, we recommend that you stop accepting Bitcoin payments at least 12 hours before Tue Aug 01 2017 05:30:00 GMT+0530 (IST), although 24 to 48 hours earlier may be safer. This will give time for all pending payments to confirm on the Bitcoin block chain before the event.

2)If you send bitcoins as payments, note that many services may stop accepting bitcoins at Tue Aug 01 2017 05:30:00 GMT+0530 (IST) or earlier.

3)Be wary of storing your bitcoins on an exchange or any service that doesn’t allow you to make a local backup copy of your private keys. If they accept transactions during the event, they could lose money and will likely spread those losses across all their users. If there end up being two or more competing versions of Bitcoin, then they may refuse to give you your bitcoins on versions they don’t like.

4)Bitcoin may experience significant price fluctuations in relation to other currencies. Learn more about price volatility and ensure you aren’t holding more bitcoin than you can afford to lose.

5)save your bitcoin on an offline wallet this way incase of a split you will have 2 coins which means you will double your money.

6)exchange it to any other cryptocurrency (advise change to ethereum) since it's predicted that all the other currencies will raise in price and after August 1st the price of bit coin will fall thus you will have a 20 -70 percent increase in your money and but remember rebuy bitcoin directly after it starts rising again.

What you can do now?
Buy some bitcoins you can afford before August 1st. You’ll have bitcoins at the lowest price, bitcoin is at its lowest after 9–10 months. Chances are you’ll be on either of the side after august 1st and make more than your investment.
How much you can buy?
You can invest any amount you want, from $10 t0 $100.
Where you can buy Bitcoins?
Coinbase is in business since 2012, when BTC was around $10. No major security attacks till date, CEO is a big advocate of bitcoin since inception. Their team consist of founder of Litecoin, former security engineers from Facebook and other top companies.
You can trust them with your money and this is the best time to buy BTC. Bitcoin is around $2080, if you lose this deal you’ll miss the train.
Don’t invest all your money, but get a piece of free money by investing around $100-$500 and watch your profit over months.
Pro tip: Sign up today at Coinbase, get free bitcoin worth $10 on purchase of $100 or more. Sign up using my referral link (https://e7ffw.app.goo.gl/i/3cpHl) and enjoy free bitcoin.