I have paid all, so I have a proof to send to ask for Thaï pass. I think you can't take public transports before the test result but for taxi, I don't know. I prefer no taking any risk
I have booked 1 night at IBIS Sukhumvit for about 30.€,you have to add the price of pcr test and transportation from Airport, 25 €. It's a little cheapper than the packages which include food