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For most banks and credit unions, credit has always been the engine of rewards. Points live on the credit card, and engagement strategy follows the credit portfolio. Deposits are where you park the relationship — not where you grow it.

That assumption is getting expensive.

Core deposits are under real pressure, and the institutions winning the deposit fight aren’t out-spending anyone. They’re out-designing them — building checking products engaging enough that cardholders reach for that card first, keep their balances in-house, and stay. The mechanism that makes it work is loyalty, applied where most financial institutions have rarely applied it: the debit side.

In recent blogs, we’ve explored how to prove, measure, benchmark, and diagnose loyalty performance. This blog is about what happens when an institution puts those ideas into practice— not as a one-time project, but as an operating rhythm. Set a goal, design the program around it, measure what moves, and let the evidence fuel the next step. Over time, that cycle compounds, creating stronger relationships and better business outcomes.

Southland Credit Union is doing exactly that.

Their Reality: A Competitive Market and a Deposit Problem

Southland Credit Union operates in Southern California and the greater Los Angeles area, one of the most crowded financial markets in the country. Like many institutions, Southland needed to grow core deposits. Unlike many, they decided the answer wasn’t another credit promotion. It was a checking account built from the ground up to drive engagement.

In 2024, Southland launched a checking product designed around ampliFI’s customization capabilities from day one; specifically, the ability to define exactly what behaviors to reward members for, rather than bolting a generic rewards template onto an existing account.

The approach reflects the same discipline we’ve explored in recent blogs. The goal came first: grow core deposits. The program was designed as a lever for that goal — a checking account with rewards built in, giving members a reason to open the account, fund it, and make it their primary transaction account. Loyalty wasn’t a perk added to the product. It was the built-in growth mechanism.

The Result: A Flagship Account, Earned

The account didn’t just perform. It became the institution’s flagship on the strength of the engagement data.

Members in the rewards checking account showed meaningfully higher average transaction volume and completed more transactions than members in Southland’s legacy accounts; some legacy products averaged roughly half the transaction volume of the new account. Members didn’t just open the account—they used it.

But the lift wasn’t only a story about which members self-selected in. When a member migrated from a legacy account into the rewards account, Southland saw their engagement change after the move.

That distinction matters. Higher activity in a brand-new account can always be attributed to who signed up. A measurable change in behavior from the same member after switching accounts points to the program itself driving the outcome. That is exactly the kind of evidence a financial institution leader can take to a CFO. 

For a deposit strategy, that behavioral shift is the whole game. A checking account members transact through more often is an account that holds balances, anchors the primary financial relationship, and deepens over time. The early results gave Southland the confidence to go further, ultimately making the rewards checking account its flagship product.

“Our strategy is different from most institutions — we needed to grow core deposits, so we built our rewards program around debit. ampliFI made that possible. They bring solutions to us proactively, they solve for what we’re actually trying to do, and the program flexes to what we need it to be. We’re more innovative on the deposit side because of what this partnership brings us.”

Michelle Rose, Senior Vice President Growth & Revenue Strategy, Southland Credit Union
Michelle Rose | LinkedIn

The Next Step: Build Your Own Rewards

The next step was Build Your Own Rewards (BYOR). BYOR lets an institution move beyond a single fixed rewards structure to a configurable model. For example, tiered earn multipliers (1x, 2x, 3x) mapped to the behaviors the institution most wants to drive.

For a deposit-led strategy, that flexibility is the point. The same program can reward the everyday transactions that signal an engaged primary relationship, then flex to emphasize whatever the institution needs next quarter without rebuilding the account or waiting on a vendor’s roadmap. Southland adopted it early precisely because it was the next increment of engagement on an account already proving its value.

It also reflects how ampliFI works as a partner. BYOR wasn’t a feature Southland had to request and wait for. It was brought to them proactively, a solution aimed at the exact thing they were trying to do: deepen member engagement and extend the value of an account that was already winning.

That sequence is the compounding cycle in motion: goal → program design → measurement → evidence → deeper investment → new capability → repeat. Each turn of the loop starts from a stronger position than the last. Southland describes itself as more innovative on the deposit side than institutions many times its size — and that innovation isn’t a single product decision. It’s the accumulated result of running the cycle.

What This Means for Your Institution

Southland’s takeaway isn’t “copy this account.” Every institution has a different appetite for how far it wants to take rewards, and a different cost structure behind that decision. The takeaway is the strategic move underneath it.

Deposits can be a growth product, not just a holding pen. A rewards-engineered checking account can lift transaction volume and frequency — the behaviors that signal, and build, a primary relationship. The right loyalty design is the one aligned to what your institution needs cardholders to do, whether that’s deposit growth, card activation, or relationship depth. A loyalty program inherits its strategic value from the goal it was designed to serve.

Migration is the proof point. Watch what happens to engagement when an existing member moves into a rewards account. Behavior change in the same member is the cleanest evidence your program is causing the lift, and it’s the answer to the budget-cycle problem our recent blog series opened with. Programs that connect performance to business outcomes don’t have to defend their existence; the data makes the case for expansion.

Configurability is what keeps a program from going stale. A model you can re-tune as goals shift compounds; a fixed one plateaus. Southland’s rewards checking account wasn’t the finish line; it was the foundation for the flagship decision, which became the foundation for their implementation of Build Your Own Rewards. Loyalty performance compounds the same way cardholder relationships do: each layer of engagement makes the next one more valuable.

The Long Game Is the Advantage

Our recent blogs have explored one central question: Is loyalty actually driving value? Southland’s answer is instructive not because of any single result, but because of the system that produced it — a clear goal, a program built as a lever for that goal, measurement that isolated what worked, and the discipline to reinvest in what the data proved.

The institutions that treat loyalty as infrastructure — measurable, configurable, and tied to the relationship rather than a single mechanic — are the ones turning their deepest asset into their biggest competitive advantage. That’s what compounding loyalty performance looks like. Not a bigger launch. A better loop.

A note on what’s in this post: Southland Credit Union has approved sharing that they focused on the deposit side and used a customizable rewards program to grow deposit accounts. Specific proprietary implementation details have been intentionally left out at the client’s request.


Want to see what the lifetime value of an engaged cardholder looks like compared to a dormant one — in your institution’s numbers?

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