Any precious thing has value like Diamond or Whatever thing which is limited also has value like Limited addition of any mobile etc.
Bitcoin is precious and has limited supply too moreover It has potential to grow in future.
If you as investor wants to buy any company's stock for long term you will choose that company which has nice plans for future in short which has potential to grow, Bitcoin has all of these things and investors know it better therefore bitcoin has value and it will grow as time passes.

No you can not make transaction, Untill it get confirmed.
Bitcoin transactions are same like bank transfer, In bank transfer if you made a transaction let say your a bank acc. to b bank acc. If it is in pending you wont see the money in b bank acc. But your amount will be deducted from a bank acc.  If you want to transact b bank acc. you wont see that money which is pending.  Same goes wit crypto transaction.

Yes that's right Social account hacking is a concern but it should not blame bitcoin or cryptocurrency industry.
Before crypto world there were hackers who hacks social accounts and even bank accounts etc.
The main thing is you can't blame bitcoin for hacking, for security you can change your social media account password frequently which will reduce chances of getting hacked.

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Bitcoin is a currency like other currencies just the difference is it is digital currency. Like all other currencies it will see bear and bull market.
Rightnow bitcoin is 6 th largest currency in the world definitely it took a time to come to this position. Many companies started giving their employers a salary in bitcoin , many projects are attracted in this bitcoin platform and all this happened definitely took time. So if you have patience you will definitely get lot of rewards from this platform in terms of profit and services also.

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Bounty programs are one of the very important  path or we can say a very effective way of promotion. We all know the crypto world is still in growing phase , the projects which comes into this platform needs more attention to the investors. To get promoted project gives airdrops and bounties. Bounty programs helps project to promote in various social platforms like Facebook Twitter etc. As the world is going towards digitization in 2020 it is very important to get promoted in social platforms which helps projects and also to the participants to earn some bucks. Provided project are genuine and has good potential.  If the project has potential it definitely get investors.

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