Find your personal style, then decide what clothes to buy
Sounds good in theory, but how?
1. Seek inspiration
2. Try things out
3. Record learnings, and then go back to step 1
To keep clothing spend within your budget, a capsule wardrobe is the way to go. Artificial restrictions make it easier, whether it be limiting the number of items, or the colour palette, or both, to just say no.
This practice also leads to only buying clothes you know you need for the upcoming season. Buying for your future self is difficult, so I tend to avoid the problem if I can.
And if you do follow influencers, find ones that lead a lifestyle like the one you lead (or aspire toward).