That commission is split between the listing agent and the buyer's agent under an agreement you set with your own agent, since Saskatchewan does not fix commission rates through any board or association. Confirm the split before you sign a listing agreement.
If your mortgage has a prepayment penalty for paying it out before the end of its term, that cost is separate from your legal fee and should be confirmed with your lender well before you set a possession date, since it can be significant on a fixed-rate term with years remaining.
Joel Dyck reviews these numbers with sellers before listing so the estimated net proceeds are realistic from the start. Get your hand-reviewed valuation from Joel Dyck.