Suggestion please

Suggestion please

Suggestion please

I am developing a inventory management system CRM web based. It does have :- 1 Dashboard 2 Items Crud 3 A section for Incoming orders 4 A section for outgoing Orders 5 Vendor and Customer Crud 6 A section to Assign Roles to User 7 Import And Export Excel 8 The outgoing section also include the invoicing, it does create a pdf.

Please Suggest me Are these things enough to get me started for business. Yours thoughts on this are much valuable for me.