Customizable POS System can work on sharing / VPS server with multitenancy -- 2

This product is specially for the IP data System only.

I NEED COSTING IN CAD AS I AM LOCATED IN CANADA

Please share your language platform you can recommend and can build as well with better "SECURITY WISE"

Looking for POS with Website below are the details
Inventory, expense, Expiry, report, warranty, subscription reminder, Inventory with multiple S/N and IMEI database for each product so 1 product varient imei, bulk import, and below are the reference system similar like Ultimate pos whole system if needed i can provide and you can able to help me get change in that i have no issues in that,

After adding customer sales, also need to send email link to customer email if added then their invoice so they can see open by opening link or they get email with PDF
Expense,
Report,
Sales / Profit
HR,
Multi currency,
multilingual,
Documentations
Inbuilt Shipping API for few different vendors for their resellers
shipping tracking for everything in their account for every product if added and they get email update up on adding shipping tracking and select carrier, automatically it needs to email tracking link to client
Multi-user access, as per permission access
Multi-wholesaler and Reseller access, as per permission access (will explain what needed) (their purchase, products, purchase amount, Due, total amount) can request
Multi-tenant subscription purchase and plans and their own domain access if client wanted.
Their separate Database, how ever i can only access with Admin access only their customer database, entry and all details as IT ADMIN. But customer wont know anything on that.

Export: PDF, Excel, Email ( need user permission)
Tab must required in each customer account: Sales, document & Notes, Activity, Ledger (4-5 different format(I can show up on request) or you can check ulitmate POS, payments

after adding sales for reseller, resller can see their all details as mentioned above and they can request as well from their account too

after adding Vendor purchase in our system, vendor can see their all details as mentioned above for resellers similar to this

Email Marketing, SEO, Blog posting, Review adding manually from backend with images and few other are required as well

Also needed Mobile / Computer sale / repair as well for subscription as well
Customer can able to track their repair and shipping details

Reference website:
1. https://codecanyon.net/item/user-management/32149221
2. https://codecanyon.net/item/cloudpos-ultimate-saas-pos-sales-purchase-inventory-management-system/62162652
3. https://preview.codecanyon.net/item/off-pos-retail-pos-and-stock-software/full_screen_preview/24326862

App:
also wanted website to be converted to mobile App iphone and android too and listed in their store.

If any error or anything which is already developed in that then required help to fix those with in year support as well. I do understand adding new features once its created it cost $$ as well.

IMP: Required high level security as well.

If any more details required will be provided over discussions
Needed this project asap please.
Hosting will be provided up on required after a certain point for hosting.
IMP: NDA required for the CODING and Whole project. Show More