Purchase and Sales Invoice

Trying to implement software in a Rental Equipment Company. Company is only giving services. Main source of income is rental income. We are not buying or selling any item. Why we create purchase and sales for items. please discuss

Hi @jamilafzal
firstly, you may consider the rental equipment as fixed asset item with depreciation schedule,
these links below may help you out

https://discuss.frappe.io/t/depreciating-stock-per-use-rentals/21900/4
https://discuss.frappe.io/t/how-to-manage-stock-for-rental-business/32401/2
https://discuss.frappe.io/t/equipment-rental/15378/2
https://discuss.frappe.io/t/asset-management-questions/19736
https://discuss.frappe.io/t/rent-fixed-assets/15412
https://discuss.frappe.io/t/erpnext-agriculture/29008/9