beginner to day trading — what market/timeframe should I start with and how do I build a real plan?

I’m a beginner and I want to learn day trading the right way (not gambling). I’m trying to figure out what to focus on first and I keep getting mixed advice, so I’d rather ask people who actually trade.

What I’m trying to understand:

•	As a beginner, what’s the best market to start with and why: stocks, forex, crypto, futures, options?

•	What timeframe makes sense for learning and execution: 1m/5m/15m/1h? (I don’t want to overtrade.)

•	What should my “core strategy” be early on: trend following, breakouts, mean reversion, support/resistance, order flow?

•	How do you structure a basic trading plan that’s not vague: what are the required rules (entry, stop, take profit, invalidation, when to NOT trade)?

•	Risk/money management: what do you recommend for beginners — risk % per trade, max daily loss, max trades per day, R:R targets, etc.?

•	How long should I paper trade before using real money, and what “milestones” prove I’m ready?

•	What are the most common beginner mistakes that blow accounts and how do I avoid them?

•	If you could restart from zero today, what would your first 30–60 days look like?

I’m not asking for a “get rich quick” method — I just want a realistic roadmap and the rules that actually matter. Any advice/resources are welcome.