Please first read these guides and later decide how you will do it:

• https://darth-coin.github.io/beginner/be-your-own-bank-en.html
• https://darth-coin.github.io/wallets/tails-hodl-cold-wallet-en.html
• https://darth-coin.github.io/wallets/deposit-only-btc-wallets-en.html
• https://darth-coin.github.io/beginner/bitcoin-hodler-guide-en.html
• https://darth-coin.github.io/beginner/getting-started-stack-sats-en.html

None. Security of storage is all yours responsibility. It can't be outsourced. "Wallets" are for convenience, e.g. ease of signing a transaction.