CRM with POS, include marketing and communication tools,

I need a CRM with POS developed using free tools like google sheets/forms/app scripts... to suit my bespoke tailoring and clothing alterations business. this should include
• marketing and communication tools
• automated email/text messaging for following up on orders
• order tracking.
• system should allow multiple alterations on same garment with separate pricing and multiple of same garment type possible on same order.
• detailed receipt for printing which includes all alterations booked in with detailed pricing.
• include Admin, Staff serving, staff who did the work and staff who closed the order with dates. and Customer login, for order tracking and communication
• weekly and or monthly order statements which includes all orders done by same staff member for staff members who did the work for performance tracking and bonus calculation/ automatic calculation
• user-friendly interfaces
• barcode creating/ on receipt. and anything else you find suitable for smooth operation
Scheduling tools
customer feed back
order history

my business is citytailors.co.uk, please look up and let me know if you can develop this in a timely manner.