Hi,
I have read your requirements and we have done quite simillar projects using SugarCRM + Joomla + Virtumart + Word press. These are all opensource (free) applications and we customize them at an hourly rate for all our clients.
I am confident that we can offer you the optimal solution for your requirements using the above mentioned open source applications.
Please note that we are a team of expert SugarCRM consultants and provide comprehensive solutions.
We would be delighted to offer you our SugarCRM Consultancy: Customizations, Integrations, Custom Module building and Implementation services.
Please schedule a conference call/virtual meeting to discuss your project in further detail and also for us to give you a demo on some of the detailed and complex projects we have recently completed using GoToMeeting (Screen sharing software).
Best,
Hussain Nasir
Rolustech