What underwriting is actually trying to answer
Processors are not asking whether you are nice. They are asking whether future refunds, disputes, fraud losses, or compliance problems could leave them holding the bag.
That is why average ticket, delayed fulfillment, pre-orders, weak policies, and sloppy documents matter so much. Each one makes it easier for a processor to imagine a future mess.
When aggregator-style processors become the wrong fit
Stripe, Square, and Shopify Payments are great until your business stops looking simple. If you are taking deposits months ahead, selling expensive custom work, running an event-heavy model, or already dealing with disputes, that easy signup can become a liability.
At that point, a processor with more upfront underwriting may actually be the calmer choice. It is often better to do the paperwork once than to get surprised later by reserves, payout pauses, or a blunt termination email.
Canadian details merchants miss
Domestic Canadian volume helps a bit, but it does not make you automatically safe. Processors still care about delivery gap, refund quality, product category, and whether your business has enough real operating cash behind it.
Also, if your sales pattern is seasonal, say that up front. Patio, holiday, tax-season, festival, and back-to-school businesses should not wait until the spike hits to explain why volume suddenly tripled.
Bottom line
The cheapest underwriting problem is the one you fix before applying. Clean up the site, get the documents ready, be honest about ticket size and fulfillment delays, and do not force an aggregator to discover your risky edges after the account is live.