BSC fork help needed

Hi Everyone, I would like to launch a Defi coin that has:
10% Transaction fee,
5% tax,
2% automatic lp,
2% Holders,
1% burn,
Any suggestion?
After forking what are the key informations I should change ?
I want the contract to be a bep-20 token with pancakeswap compatibility,
Is there a way to be able to update the contract after initial deployment?
I use remix.etherum.org
Sincerely yours,

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