You can easily use two accounts on Cash app. First of all, you have to create two different accounts by putting a different mobile number or email address. Here, you can add same bank account, credit card, and debit card. You can also merge both accounts info in one to access both at a time. If fronting any issues, then use Cash app Phone number to fix it.
https://www.customer-servicecontact.com/cash-app-customer-service/