It is asked so much but there is only answer for me: hodl! you can do something else as well but the best way to survive is hodling. Sometimes even hodling may not be useful, you must lose everything to come back stronger sometimes 
Falling prices, People like low prices, Cheap is good isn't it? What matters is what causes deflation. Deflation is a symptom, not a disease Just as a rosy complexion can be a sign of health or of a fever, deflation can be a sign of underlying economic strenght or weakness. Falling prices can arise from too much supply can often be a good thing. while having too little demand is almost always bad.