Free odds sites help with line shopping. Compare the same market, like spread...
https://100percentsurewins.com/top-5-free-real-time-odds-sites-to-check-before-you-bet/
Free odds sites help with line shopping. Compare the same market, like spread or total, and check the game period. Odds can move or differ by book. Before you bet, verify the price, pick, and stake on your bet slip, and confirm the line is still available