Several units in one list
An Agra shop carrying stone, cement, steel and tiles needs each item entered with its own unit and conversion — square feet, bags, kilos, boxes to area. That is the setup step that matters here, because it removes the arithmetic from every mixed bill afterwards. Wastage allowances are worth agreeing and recording as their own line from the first invoice.
Stone, tourism construction and ordinary building
Agra's trade includes the stone and marble work the city is known for alongside ordinary housing and the construction that tourism brings. That gives dealers here a customer list spanning stone contractors who buy by the square foot, house builders buying cement and steel, and finishing trades buying tiles and sanitaryware.
Several units on one invoice
A shop carrying stone, cement, steel and tiles is quoting square feet, bags, kilos and boxes to the same customer. Holding the unit and the conversion against each item means all of it sits on one bill with the right GST rate per line, and nobody does arithmetic while a customer waits. That single thing is why mixed shops here find the move worth making.
Wastage and measurement in writing
Stone work carries a wastage allowance and tiles are quoted by area from boxes, and both are where disputes start when the figures are not written down. Showing the measured quantity and the allowance as separate lines, and printing both the box count and the area on a tile bill, takes the argument out of it — for the customer and for your own records six months later.
Setup by phone
About thirty minutes covers your shop details, your main items with the right units and conversions, your parties with their balances, and your bill format. You raise a real bill in the call, and support afterwards is in Hindi on phone and WhatsApp.