I don't know if what i did is right.
i already bought some altcoins,but i still haven't sold them because the price is still not enough for me.i'm still waiting for the right moment to sell it.

Can someone please give me some suggestions for a good wallet?
Thank you

What are airdrops?
can someone help me,i'm still a newbie here.

In order for you to participate in campaigns, you rank should be atleast a Jr. Member. And to become a Jr.Member you must have atleast 30 activities.
it is better to post here atleast 1-a day to gain 1 activity.
and by 1 month or more you can be a Jr. Member

in distinguishing a good bounty campaign, beware of those too-good-to-be-true campaigns which offer very high bounty rewards,
uncertain information of the members,because some are just made to look nice to entice you.
And check also the background of the campaign manager if he/she  has already enough experience.

There's a big possibility that bitcoin will be used to made transactions with illegal drugs.
Who knows?

If your not handsome, then at least,you must look neat and respectable
And besides, there are more women than men here on earth, its impossible for you not to find a partner, unless you're getting girls just for fun.

I think, it's better to hold ETH, ETH is already gaining popularity and is used specially in ICO.
I'm speculating that by next year, ETH will rise up to 1000$.