This is something that I been seeing recently too. It's not as hot as it has been.
“For the first time in years, we are getting reports from managers of some markets that home buyer demand is waning, especially in some of Redfin’s largest markets,” Kelman said
Here is the article...
https://www.marketwatch.com/story/housing-market-has-hit-a-significant-slowdown-in-recent-weeks-redfin-ceo-says-2018-08-09