What did Mrs Fletcher did not believe on page 11?

Mrs. Fletcher couldn't believe that Tom was ordering something from her, let alone asking where he could find other items.

"Well, he haven't," said Tom gruffly. "Can you knit me a jersey or can you not, that's what I'm askin'?"
"If that's what you want."
"And," he continued, "you don't know where I can get some good stout boots, small-like, and I don't want no commentary, jes' want to know."
"I'll ask around."
He mumbled his thanks and strode on up the road.
Mrs. Fletcher stood quite motionless and stared after him, until she was sure he was out of earshot. "Madge," she cried, running into the next cottage, "Madge, you'll die when I tell you. . . ."