Most gambling sites give away bonuses to new customers, and many of them offer additional rewards to existing customers too. You should always try to take advantage of these bonuses and rewards, as they are a great way to boost your bankroll. They're not exactly "free" money, as they come with terms and conditions such as having to wager certain amounts before being able to withdraw. Nonetheless, they can be very valuable.
No. The point spread is not a prediction of the final score, but rather is created to generate an equal amount of betting on both sides. In a perfect world, a sportsbook will get the same amount of money bet on the Rams to cover as they get on the Patriots to cover. If there is an even amount of money bet on both sides, the house is guaranteed to profit because of the juice (more on that below) placed on bets.
There might be some movement when injury reports come out, but barring any kind of shocking news development (Tom Brady suspended for the game!), the line likely will not change all that much. The point spread is currently sitting at 2.5 points. I could see sportsbooks dipping into three points to level out the money on each side, but that might not happen until later next week after the teams are wrapping up their practice week. My prediction is the line settles at a field goal heading into kickoff.
A lot of bookmakers offer telephone betting services, and they are usually very straightforward to use. It's a simple matter of calling the relevant number, telling the operator you reach which wagers you want to place, confirming the odds, and then providing your credit card details. Some bookmakers take other payment methods too, and some even offer credit lines to select customers.
As always, beware of sites offering paid or free NFL betting picks in connection with a varying unit betting system. If you are using their pro football betting picks to gamble on NFL football games, you might consider that some of these sites are providing money tips which are likely to drain your NFL sportsbook account. Earning gambling profits long term takes discipline to know there is always another game to bet on. Most free sports pick sites don't understand that it requires more than winning football predictions to earn a living betting on sports. So for anyone living in an area where NFL gambling is legal, keep in mind that relying on "bet the house" free NFL picks could seriously reduce your NFL betting success.