I'm not gonna say "keep your private key secure"
Never mind the software wallets, if you are getting in the crypto business for real, use a hardware wallet. It's the most secure way to store your portfolio. If it's hard to obtain a hardware wallet in your location, you turn an external hard disk to a hardware wallet, if you want to know how, use google, I'm not a tech expert.
He said, "I am new one in this marketplace". The idea you gave is not good for newbies. Hardware wallet is more suitable for experienced users. He can make an irreversible mistake while he using hardware wallet.
Hardware wallet is quiet not convenient for a newbie so I think it's better to use local wallets on their place and keep your keys on private or even use 2fa Authentication. We really have to protect our wallet or else we will be broke to see our coins gone.