When will she finally sleep?

. My baby will be 5 months this week and still is waking up every 40-60 minutes, I feel mentally drained. I do not have family or friends I can lean on for help both husband an I have to work to make ends meet. I love my baby to peices I'm just so exhausted. I've tried everything, sleep windows, have spent hundreds of dollars on all the different types of sleep sacks, I use white noise, room is pitch black. I know teething and sleep regressions play a part as well but when will it end? it's been 2 months of straight no sleep. I want to cry