We are mine a bitcoin to have money to spend for our daily lives but do not forget to save for the unexpected situation you will encounter.
This is the best time to save bitcoin for future as we are sure price will skyrocket in future and I don't think this can be profitable moment to sell our coins.
We cannot be sure but the probability is high, but I know that altcoins will have a big impact in the future. Bitcoin will not only the one coin that would dominate in the future, because when the demand will increase people will look for other coins that would satisfy their need, and we know that bitcoins is not at all.