Aspen Ridge sits in the northeast next to Evergreen and University Heights, built up more recently and less densely than central Saskatoon, which is exactly why two-family homes are scarce there. A single-family purchase with a planned secondary suite gives you more control over layout, but the City of Saskatoon requires a building permit for the conversion before a lender will count the rental income.
A ready-made two-family home elsewhere in the city skips that construction step and starts generating income sooner, but it usually costs more upfront and gives you less say over the finish. The right call depends on whether your $8,000-a-year FHSA or Home Buyers' Plan withdrawal is funding a purchase now or a renovation later.
Either path needs a lender who understands secondary suite income before you shop, not after. Get your hand-reviewed valuation from Joel Dyck.