Scaling PMax Feed-Only: Full Catalog vs Focused Launch?

Hey everyone,

I’ve been running a dropshipping store for about 2 months now using Google Ads (mainly to warm up the account and pixel). Currently spending around $50/day, and performance is around breakeven.

Now I’m planning the next step and would really appreciate some feedback from people who have scaled with PMax.

Current plan:

Launch a PMax (feed-only) campaign
Upload around 70–200 products
Focus mainly on fashion (women’s categories like dresses, swimwear, sandals, etc.)
Budget: starting around $100/day and scaling up

My main questions:

Is it better to start with a smaller, curated catalog (70–100 products) or upload everything (150–200+) from the start?
Should I: Focus on one gender (women) for cleaner data Or run men + women in separate campaigns from day one?
From your experience, what matters more for PMax scaling: Number of products Or tight niche focus + product quality?

Goal:

I want to scale fast with PMax feed-only, not just test slowly — but also avoid wasting budget on a messy setup.

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