What should expats know about police checks on the way to Mukdahan and overstaying in Thailand?

Travelers reported being stopped for police checks on the way to Mukdahan, warning expats about the risks of overstaying their visas. Various comments indicated that while checks occur frequently, they primarily target those without proper documentation, particularly Burmese nationals. Some users urged that the best way to avoid issues is to not overstay in the first place, while others suggested that routes may vary in terms of checks based on the destination.