THE BEST SIDE OF TARPAULIN

Hello fellow Villagers! does anybody have any expertise in employing a very hot tub at their home but not lined below a Lanai? Hoping to determine if we need to commit $8-10k (ouch) over a Lanai extension or perhaps install the hot tub on our BBQ patio spot and find out If your bugs/insects is going to be tolerable? (We would predict the vast major