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 countries are still not supporting bitcoin in their local purchases but only few countries have the option to buy good in their local areas, many people are not using it wisely saving bitcoin for their future returns according to country you are living you need to move with it rules and regulation otherwise you will face problems in spending.