If Kim Jong-un does meet with President Trump at the DMZ, it seems that should be taken as a sign that the regime believes a deal to reopen the Kaesong Industrial Complex and Kumgang Tours is a real possibility. Meeting with the President at the DMZ would be a perfect opportunity for Kim to make his case for reopening the complex directly to the U.S. President:

U.S. President Donald Trump said Saturday he expects to have a “really interesting” visit to the inter-Korean border amid keen attention on the possibility of his meeting North Korean leader Kim Jong-un there.
He was speaking to pool reporters just before joining a welcome dinner hosted by President Moon Jae-in and first lady Kim Jung-sook at Cheong Wa Dae, Seoul’s presidential office, shortly after his arrival in South Korea.
On a potential three-way summit between the two Koreas and the U.S. during his tour of the Demilitarized Zone (DMZ) on Sunday, Trump said, “We’re gonna see. We are working things out right now.”
When a reporter asked him about whether he has “heard anything” from North Korea, he said, “We have. Yes.” He did not elaborate.
Yonhap
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