
Question: What was the purpose of Channing Tatum preventing the gate from opening?

Question: Maybe I missed it but is there a particular reason why Christian won't let Ana touch him?
Answer: Because he's extremely neurotic and is unable to have intimate relationships with women other than purely sexual ones. He also did not want to be touched in the area where he'd been physically scarred by his birth mother's abusive boyfriend.
That was her pimp/client, not her boyfriend. She was a prostitute.

Question: As a non-native English speaker, I ask: At the dinner, Jim says to his boss, "I was thinking, with the numbers so high, maybe it's time I get off the road and take an office position." What occupation did he have? And what does he mean "get off the road" here?
Chosen answer: I don't know what his specific occupation was, but the term to "get off the road" would refer to someone who constantly travels, either domestically or internationally, for their job, but they now want to work in their company office every day. The most common trope would be the "traveling salesperson" who was constantly "on the road," going town to town, selling their product.

Question: Did the dog die, if not what happens to him?

Question: This movie is one of a few I've seen to display the title twice during the opening credits. It appears in a plain font at the start of the credits, then appears in a more stylized font at the end of the credits. Why do some movies do this? It seems a little redundant.
Answer: A lot of movies will put a title card at the end of the film before the credits. It's usually to cap off the movie so that it's the last thing you see or think about when you leave (especially back in the day when you didn't sit around to watch for an extra scene). They want it to be redundant so you don't forget (repetition is the key to learning). Most movies (if not all) also have the movie's name at the very end of all the credits too. But I assume for copyright or other legal reasons, the same way a book publisher might print the book's title on every page of the book.
Answer: Jamming the gate by blocking the sensor delayed Joe Bang's brothers long enough for Mellie to come and collect some bags full of cash. Jimmy specifically did not trust them to know his entire plan. This part of the ruse allowed them to steal a separate stash of money so they could pretend to return the stolen money, whilst secretly keeping some to distribute later.