Despite the way that liberals painted him during the election, Trump doesn't plan to change all that much. Some even questioned why he ran on the Republican ticket, rather than the Democratic ticket. He doesn't plan to do away with a large amount of the nation's social agenda. He doesn't disapprove of it.
Trump is going to have to figure out which rules and laws he wants to make a big fuss over, and I don't think this will be one of them. As easy as he may think it is, overturning Obama's policies won't be as simple as snapping his fingers and making it happen.
Yes, the new rules for overtime pay for salaried workers will remain in effect when Donald Trump takes over the presidency because he has proven that he does not stand for anything. He will go back on every campaign promise. If something is too hard to overturn, he will leave it.
Although Trump and Congress could act swiftly together to limit the rule's impact, "The notice-and comment process would take many months, if not years, so employers shouldn't expect immediate relief from the rule. They should instead continue their plans for complying with the new rule. Given his relatively tepid reaction to the rule when questioned on the campaign trail, it is hard to imagine that Trump is willing to sacrifice political capital to roll back a rule that may well help many of his supporters. After all, Trump's rollback of the rule isn't a given.