That’s a bank account bonus not a real interest rate. I made 20% APR in 90 days for churning a PNC account by that logic, does that mean I can in turn make 20%

That’s a bank account bonus not a real interest rate. I made 20% APR in 90 days for churning a PNC account by that logic, does that mean I can in turn make 20% on arbitrary deposits on a regular basis?