Ah then yeah, if no tax is added, it'd be theoretically profitable. Interesting!At most places yes. I do vaguely remember some books charging more on parlays, but I don't know of any current online books that do. They just multiply the individual lines together.
I think the only chance to win would be correlated (side/total from same game).I'd love for someone to start a parlay thread here. Not so I could post selections in it. I feel extremely confident that after 500 plays it would be in the negative units
Non correlated parlays
3 TEAM PARLAY YTD 0-1 -$25.00