Typically, the higher instant approvals are a factor of higher income.
Obviously, two people whose FICOs are the same have different borrowing capacities if their incomes are different.
Someone with 40k income can't borrow as much as some with 120k income.
Marriott PR$25k | BCE $24.5K |BankAmericard Visa $25k| BOA Better Bal $17.5k |Wmt Discover $12.5k | BR Visa $17.5k | Amex Delta Gold $10k | Discover IT $10k | Paypal Extras MC $15k | Amazon Store $10k|Smile Gen $7.25k | Dillard's $10k | West Elm $4k| Express $3.05K | Mypoints.com Visa $4.5k | Freedom Visa $1k| Amex Surpass $1k