I absolutely loved my experience at GlowbyBeca. It was the first time I had ever tried a spray tan, and Beca explained the entire process. Her amazing formula suits all skin types. I went with two friends, one fairer and one darker than myself and the formula looked incredibly natural on all of us. She can also spray you darker (so you only leave it on for 1-2 hours), or if you're unsure of the colour, it can gradually develop (while you wait 4-8 hours). The colour dries almost immediately so there won't be any streaks or weird lines.
My only suggestion is to bring your own tanning thong - because the ones provided sit a little higher! However, you could simply use the ones given and just lower the elastic line.