Rollitup

No need for fire, three straight days of temps over 100 degrees should do the trick. They also hate humidity less then 40% and anything over 80%.

Just fumigate for termites, and kill the thrips all in the same blow.

fat layer of sand soo they cant dig in and lay eggs. neem oil for adults.if you can dont water soo much or try bottom watering for a month

^You're talking about gnats. Thrips don't care about your watering methods because they lay eggs in the leaves.