Hello there,
My name is Bojan I am freelancer from Macedonia/Europe.
I can help you out to Maintenance your current and develop new Magento websites.
I am not working by my self, I have 7 other colleagues working with me 9AM-5PM at our office.
You can reach me on email after our business hours and I can get online on PC if there is an emergency.
I can't give you exact estimate for time/cost, because I don't have enough information.
Our hourly rate is $25 for ongoing clients, we are simply calculating the hours spent before giving a quote.
Let me know if you are interested, we can discuss trough the chat, we are doing Magento projects only as this is our primary business.
Please visit my Freelancer profile, as you can see most of my projects are Magento and there is a lot of happy clients.
I hope you are the next satisfied client.
Looking forward to get back from you.
Best Regards,
Bojan