SALES & BILLING- THE HEART OF EVERY POS SYSTEM
SALES AND BILLING — THE HEART OF EVERY POS SYSTEM.
Every POS system has one job it must do perfectly above everything else.
Process a sale.
Fast. Accurately. Every time. Without fail.
Everything else — reports, inventory, staff management — is built around this one core function. If the sales and billing module is slow, buggy, or confusing, the entire system fails regardless of how good everything else is.
What it must do
Add products to a sale quickly
✅ Barcode scanning — scan and the product appears instantly
✅ Product search — type part of the name and find it in seconds
✅ Category browsing — organised by department for easy navigation
✅ Quick keys — pre-set buttons for the most commonly sold items
The cashier should be able to add any product to a sale in under three seconds. If it takes longer the queue builds and customers lose patience.
Handle quantities and units accurately
✅ Change quantity easily — sell 3 of the same item in one tap
✅ Handle fractional quantities — 0.5kg of sugar, 2.5 metres of pipe
✅ Weight scale integration for businesses that sell by weight
Apply discounts and promotions
✅ Percentage or fixed amount discount on a single item or total bill
✅ Automatic promotions applied without cashier input
✅ Discount authorisation — some discounts require manager approval
✅ Discount reason recorded for every discount applied
Handle multiple payment methods in one transaction
✅ Cash — with automatic change calculation
✅ M-Pesa — STK push sent to customer phone automatically
✅ Card — via integrated payment gateway
✅ Split payment — part cash, part M-Pesa on one bill
✅ Credit — for approved account customers
✅ Loyalty points — redeem points as partial payment
Generate receipts instantly
✅ Print receipt via thermal printer automatically after payment
✅ Send digital receipt via SMS or email
✅ Receipt includes all KRA eTIMS required details
✅ Duplicate receipt option for customer requests
Handle voids and returns cleanly
✅ Remove a single item from an open sale
✅ Cancel an entire transaction before payment
✅ Void a completed transaction with manager authorisation
✅ Every void recorded with reason and authorising user
The speed test
A well built sales module should handle a complete transaction — product added, payment received, receipt printed — in under 60 seconds for a standard sale.
What ruins a sales module
❌ Slow product search that takes more than 2 seconds
❌ Payment processing that hangs or times out
❌ Receipt printing that requires extra steps
❌ No offline capability — system freezes when internet drops
Is your sales module fast enough, complete enough, and reliable enough to handle your busiest hour?
🌐 www.bonniecomputerhub.co.ke
📲 +254 729 820 689
© Bonnie Computer Hub | Empowering Through TechnologySALES AND BILLING — THE HEART OF EVERY POS SYSTEM.
Every POS system has one job it must do perfectly above everything else.
Process a sale.
Fast. Accurately. Every time. Without fail.
Everything else — reports, inventory, staff management — is built around this one core function. If the sales and billing module is slow, buggy, or confusing, the entire system fails regardless of how good everything else is.
What it must do
Add products to a sale quickly
✅ Barcode scanning — scan and the product appears instantly
✅ Product search — type part of the name and find it in seconds
✅ Category browsing — organised by department for easy navigation
✅ Quick keys — pre-set buttons for the most commonly sold items
The cashier should be able to add any product to a sale in under three seconds. If it takes longer the queue builds and customers lose patience.
Handle quantities and units accurately
✅ Change quantity easily — sell 3 of the same item in one tap
✅ Handle fractional quantities — 0.5kg of sugar, 2.5 metres of pipe
✅ Weight scale integration for businesses that sell by weight
Apply discounts and promotions
✅ Percentage or fixed amount discount on a single item or total bill
✅ Automatic promotions applied without cashier input
✅ Discount authorisation — some discounts require manager approval
✅ Discount reason recorded for every discount applied
Handle multiple payment methods in one transaction
✅ Cash — with automatic change calculation
✅ M-Pesa — STK push sent to customer phone automatically
✅ Card — via integrated payment gateway
✅ Split payment — part cash, part M-Pesa on one bill
✅ Credit — for approved account customers
✅ Loyalty points — redeem points as partial payment
Generate receipts instantly
✅ Print receipt via thermal printer automatically after payment
✅ Send digital receipt via SMS or email
✅ Receipt includes all KRA eTIMS required details
✅ Duplicate receipt option for customer requests
Handle voids and returns cleanly
✅ Remove a single item from an open sale
✅ Cancel an entire transaction before payment
✅ Void a completed transaction with manager authorisation
✅ Every void recorded with reason and authorising user
The speed test
A well built sales module should handle a complete transaction — product added, payment received, receipt printed — in under 60 seconds for a standard sale.
What ruins a sales module
❌ Slow product search that takes more than 2 seconds
❌ Payment processing that hangs or times out
❌ Receipt printing that requires extra steps
❌ No offline capability — system freezes when internet drops
Is your sales module fast enough, complete enough, and reliable enough to handle your busiest hour?
🌐 www.bonniecomputerhub.co.ke
📲 +254 729 820 689
© Bonnie Computer Hub | Empowering Through Technology