Sales training literature is awash with advice. Some of it is tedious and trivial: "If he says this, you say that." Other advice is grandiose: "35 new sure-fire closing techniques." Still others could be harmful: "Overcome that objection," as if selling in the B2B world was a contest between you and the customer, with one of you winning (overcoming) and the other losing (being overcome). That's an attitude that won't get you far.
All of this advice shares one common element. It's incredibly overdone. There is no one aspect of sales, at least in the B2B world, that undeservedly receives more disproportionate time and talk than the subject of closing the sale.