Will not start?

I was leaving for work one morning and I discovered my car wouldn’t start. I first thought it was the battery, but I had all my indicator lights working and jumping it did not make it start. I then questioned if it was my starter but from the advice of my friends, they said it sounded like a fuel pump issue. I had it towed to a local shop that did discover the fuel pump was bad and I paid the shop to replace it. Got my car back had it for a day then the next time I was leaving for work the same issue happened. I had it towed back to the same shop, they diagnosed it and found my high something fuel pump was also in need of replacing. I was unaware of the two pumps, and they assured me that I have a high and low something fuel pump. I wish they would have disclosed to me the possibility of additional work. I had my car back for another few days and the same thing. I took it in, and they replaced my crank shaft sensor. I am worried they don’t truly know how to work on my car, or they are making issues that will just continue.
Any advice and help would be much appreciated.