i was like you at first. i thought to myself that installing springs myself was a way too big project for me and that i'd let a shop do it. but after asking around, the cheapest i could find for an install was around 250-300 bucks.
so i was like **** it, i got a spring compressor, spent a whole day and did it myself.
it was a good experience, i learned a lot about my car. and plus now my friends are going to me to do their suspension and i'm making some money off of it