What Thai embassies say and what actually happens at airports in Thailand can be 2 very different things. This has been proven many times over many years. The only current hard and fast rule is 2 visa exempt entries per year at a land border.
Roojai came out tops for me last year on price and reviews. We bought it and this year a guy on a scooter crashed into the side of our car and fled the scene. Roojai paid the damages and when our policy was due for renewal it hardly increased at all.
I've always been bitten by mosquito's here and elsewhere. This was very similar to my reaction when I lived in Bangkok but now in Pattaya just an itchy red spot.