If "They" are telling you about a line, then I believe it is too good to be true. I'm going the opposite of every tip I come across that would convince you to side with the tipster. If the site is continually giving you free advice, and want to charge you for premium packages, that pick has to be too good to be true. In this process, I will take as many lines on the plus(+) side as possible. Here's the first seduction for "They":
The Phillies are only getting 18% of bets against the DBacks, but the line is moving towards them
Taking Arizona -1.5 +130