First South Financial CU Business Checking bonus: is $1,000 worth it?
What it adds over what your cash earns now, tier by tier. Change the rate to yours.
Yearly rate on $50,000 while it's there, bonus included.
The math
Compared with leaving $50k at 4.15%
Deposit $50,000 in new money · Keep $50,000 there until day 90 · 20 qualifying transactions…. Terms checked Oct 10, 2026.
About this bonus
What it takes
- 1Deposit $50,000 in new money
- 2Keep $50,000 there until day 90
- 320 qualifying transactions…
- Ends
- No end date listed
- Where
- Tennessee
- Monthly fee
- None
- Cash stays
- About 90 days
- Bonus paid
- Usually within 14 days of finishing
- Credit check
- A hard pull on your credit
Similar bonuses
The same kind of account, ranked by what each adds at 4.15%.
Questions
Is the First South Financial CU Business Checking bonus worth it?
At 4.15%, about what T-bills or a money market fund pay (as of Oct 12, 2026), the $50,000 tier adds +$488: the $1,000 bonus, minus the $512 that cash would have earned in 90 days. At a different rate the answer changes; the calculator on this page works it out for yours.
What are the requirements?
Deposit $50,000 in new money; keep $50,000 there until day 90; 20 qualifying transactions…. Open to residents of Tennessee.
When does it end?
No end date is listed. The terms were last checked Oct 10, 2026.