SP+ is the ESPN power rating every college preview on this site is built on. What the number means, how to turn it into a win total, and where it stops

Pythagorean expected wins explained in plain English: the formula, what the gap against a win total means, and the checks to run before you bet it.

The point spread explained in plain English: what -6.5 means, how covering works, and the mistakes first-time bettors make. Real NFL examples.

Parlays explained simply: how combining bets multiplies the payout, why one loss sinks the ticket, and the math sportsbooks hope you never check.

What -110 means on a betting line: bet $110 to win $100. Where the extra $10 goes, the break-even math, and why shopping prices matters.

Moneyline betting explained: pick the winner, no spread involved. How favorites and underdogs are priced, and when the moneyline beats the spread.

Over/under totals explained: bet the combined score, not the winner. How totals work, why weather and pace move the number, and beginner mistakes.

Same game parlays explained: stacking bets from one game, how correlation changes the payout, and the fine print beginners miss.

How to read betting odds: what every number on the board means, from spreads and moneylines to plus and minus, with a real NFL example row.

Sports betting for beginners: the three basic bets, how to pick a legal app, set a budget, and place a smart first bet, explained without jargon.