Always use the one that insures your full amount of funds. Its capped at $1000 but this should be plenty because the fees will always be lower than getting robbed.
Trocador is the only one I'd recommend for that but for direct fiat to XMR or XMR to fiat I would highly recommend Haveno Reto. It is growing every single day and I can usually find a match within a couple hours.
Haveno is best for fiat to XMR or XMR to fiat although other Cryptos are supported too I believe. +1 for Trocador as well though.