Can I perform a visa run at Mae Sai on a weekend after my current visa expires?

The user is seeking advice on doing a visa run to Laos after their visa expires, specifically considering a border crossing at Mae Sai for a visa exempt entry. They are concerned about potential issues with back-to-back entries and traveling on a weekend. Comments indicate that border crossings at Mae Sai are generally possible on weekends, and it's mentioned that travelers can do two back-to-back visa exempt entries per year depending on nationality. Additionally, Vientiane for a tourist visa is noted to be closed on weekends.