This is my non-business (personal) finance setup. I have a checking account, vanguard account, and fidelity account. The checking account is used for business

This is my non-business (personal) finance setup. I have a checking account, vanguard account, and fidelity account. The checking account is used for business to pay me. The vanguard account is 100% VTSAX as is the fidelity has account. I’ve just been keeping a couple thousand I the checking and rolling into VTSAX. Should be enough, if VTSAX tanks we need to be buying ammo if anything. I also churn credit cards. Chase sapphire/capitol one savor/Amex platinum should all get you $500 or more. But if you are making >100k like it seems most people in here are then this is not such a large concern.