With your handy calculator, locate games where the spread divided by the totals, are 31% or higher (usually to mid 40s).
Then find 2 teams with similar spreads and totals, (as close as possible) and parlay each favorite with the OVER of the other team, then do the same with each underdog, parlayed to the UNDER of the other team.
4 parlays in all.
working well so far this year
some run line games that have promising possibilities based on return of investment.
Philadelphia, Florida, Colorado, ChiSox.
And to throw in a couple of overs: Washington, LADodgers.
As always, Lady Luck and good management are most important.