In some countries bitcoin cannot be use to buy Real stuffs like food clothes and other goods and services but even though bitcoin can be used in plenty of ways mostly in the cyberworld it is used in online markets like Game Credits, Gadgets some use it in the dark webs to purchase weeds,drugs. Others are trading it to a different crypto-currency or exchanging to dollars, so how to you use it ? 
Most of the time I prefer to spend my bitcoin to altcoins because I see that there are many opportunities to increase the bitcoin volume, whatever the bitcoin price becomes, because I like holding bitcoins for a long time.
Every investment has it own risks but we have to do this if we want to have a little profit, but we should be careful because there are many pumps and dumps in the altcoin trading and this happens more often than in the bitcoin.