You wish to have two accounts, one for legit gaming and another that is modded.
Read our extended Premade vs Existing Account modding guide down below.
Pre-made account are more expensive since you also get a full copy of GTA V, not just the modding service.
First you have to choose if you want to mod your existing GTA 5 account with more money and unlocks, or if you want a pre-made account. Modding accounts on GTA 5 is quite straightforward. MOD YOUR OWN ACCOUNT NOW How Modded Accounts For PC Works