It is better to choose a long-term investment. Less hassle compares to the short term, it only needs a full patience to wait the best profitable time to sell. Just select those coins that have a great potential for success.
Yeah, it's less hassle but you can't be sure if gain profit in a certain period of time it you just keep on waiting forever and gains nothing. May short term period will be suited today's trend and you have chances to regular earned profit even it is just in small amount.