Bounty
Worth it?

Westmark CU True Blue Spend bonus: is $100 worth it?

What it adds over what your cash earns now, tier by tier. Change the rate to yours.

+$90: more than leaving it at 4.15%

With $1,000 for 90 days, the tier that adds the most.

With the bonus40.56%
Leave it where it is4.15%

Yearly rate on $1,000 while it's there, bonus included.

Every tier

A smaller tier often wins: less cash away from what it earns now.

  • $0
    $25 bonus · 90 days
    +$25
  • $0
    $25 bonus · 90 days
    +$25
  • $1,000Best for you
    $100 bonus · 90 days
    +$90

The math

Compared with leaving $1k at 4.15%

Bonus
+$100
Interest while it's there
No interest assumed
$0
What it'd earn at home
$1,000 at 4.15% for 3 mo
−$10
Extra
+$90
Works out to 40.6% a year on that cash, vs 4.15% at home.

Make 15 debit card purchases within 90 days · Deposit $1,000 in new money within 90 days. Terms checked Oct 9, 2026.

See every bonus ranked like this for you

About this bonus

What it takes

  1. 1Make 15 debit card purchases within 90 days
  2. 2Deposit $1,000 in new money within 90 days
Ends
No end date listed
Where
Idaho
Monthly fee
None
Cash stays
About 90 days
Bonus paid
Usually within 90 days of finishing
Terms checked Oct 9, 2026The bank's offer pageFound via Doctor of Credit

Similar bonuses

The same kind of account, ranked by what each adds at 4.15%.

Questions

Is the Westmark CU True Blue Spend bonus worth it?

At 4.15%, about what T-bills or a money market fund pay (as of Oct 12, 2026), the $1,000 tier adds +$90: the $100 bonus, minus the $10 that cash would have earned in 90 days. The $25 tier, with no cash parked, adds +$25. At a different rate the answer changes; the calculator on this page works it out for yours.

What are the requirements?

Make 15 debit card purchases within 90 days; deposit $1,000 in new money within 90 days. Open to residents of Idaho.

When does it end?

No end date is listed. The terms were last checked Oct 9, 2026.