Aged Telegram accounts: best setup for stability?

Hi,

I’m looking for practical advice on a Telegram setup using aged accounts for inbound AI chatbot use.

This is not for spam or outreach, users message first, and the account only replies and sends follow-ups.

I’d love feedback on a few points:

1. Is it better to create BotFather bot IDs from the same Telegram account that will use them, or from a separate dedicated account?

2. What proxy ratio do you recommend in practice?
- 1 proxy per account?
- 2 accounts per proxy?
- 3 accounts per proxy?

3. From your experience, what does Telegram seem to care about most for account safety and stability?

For example:
- aged account
- 2FA enabled
- Telegram Premium
- residential proxy
- proxy country matching phone number country
- inbound-only behavior
- low activity at the beginning
- stable sessions/devices

4. About account quality:
What is considered “good enough” in practice?
- Are accounts from 2018–2019 significantly better than 2020–2021?
- Is 2–3 years of age enough for stable usage?
- Does having a US phone number make a real difference?
- Is it important that the number comes from a real SIM (not virtual)?

Also, I assume it’s important to check accounts with Spam Bot before using them, is that enough, or do you recommend additional checks?

Any real-world experience would be very helpful.

Thanks.