Gimme advice please

Abigail

I really want to breast feed my baby I started her off with formula she 3 week she been on the boobs only sometimes but more formula because it’s been hard for me due to I’m half of the time by myself because my family works she my first and when I try put her on the boob she use to cry so I would just make her a bottle but now I want to breast feed her and I would love any tips , tricks, remedies, help all that