What is the experience of using VIP fast track entry at Thai airports?

Many users have shared their positive experiences with the VIP fast track service at Thai airports, highlighting its efficiency and convenience, especially for travelers over 70, who can often access it for free. Some mentioned that flying business class also grants access to fast track entry. Users noted that the service allows for a quicker passage through immigration, reducing wait times significantly, and some have utilized agencies that provide additional assistance, such as pre-screening of travel history. Additionally, there are discussions about the differences between free fast track services and paid options, with several users confirming the ease and comfort of the process.