Yes, you can legally enjoy online sports betting in Portugal.

What is a 50x wagering requirement? A 50X wagering requirement means you must wager the amount of your bonus 50X over in order for you to collect the bonus and subsequent winnings. If your bonus was 10, you'd have to wager 500 to meet the requirement.

A +1.5 spread is commonly seen in baseball betting, the standard runline  for MLB. This spread means the underdog must win outright or lose by exactly one run to cover the spread. Alternatively, a -1.5 spread means that the favorite must win by at least two runs. Many baseball games are decided by fewer than two runs.