I can create a FREE proof of concept/sample app based on your requirements.
I am an ex alumni (tech lead-professional services) of worlds leading automation software company. With over 4 years of experience in automating most complex business processes, having created over 350 projects and specialization in web automation (data extraction and data posting), i am one of the best in the business.
I automated a similar process for one of my clients who looked up for competitor prices on amazon.com. So, i understand your requirements thoroughly and guarantee that i can accomplish this job successfully.
I have attached my profile with my contact details, experience and expertise in PM. Please check your inbox.