We'll pull the trigger whenever we feel we're getting value in the line. That may translate into no plays, one play, or twenty plays. There is simply no way to know until lines are established, injuries are updated, weather is determined, and various other factors are taken into account. I believe what separates me from losing bettors is that I've learned from my losses over the years. Most guys don't.
Most sports bettors lose for a host of reasons, the least of which is poor handicapping.
Over the years I've adhered to certain principles that have given me an edge. One, I bet on sports for only one reason, to make money. My favorite team is the one that won my last bet for me. Two, I am not a fan. It will cloud your judgment.