Migrate website to a new Hosting Provider with minor modifications

I need the following: 1- Migrate the old web hosting from old hosting provider to new hosting provider, this should make sure the site is up and working fine without bugs, viruses, updated to last version of WordPress and the MAP location is accurate 2- Define who will be responsible for changing the MX record for the hosting from old provider to the new hosting provider, we’ll keep the domain name as is with GoDaddy 3- Let us know if you can modify the current web site to have the facility of adding News Page and can insert our news in easy way, you shall show us a sample on any of your existing web page. 4- The webpages should be fully responsive as they are now on both of PC Browser and on mobile. 5- The migration shall be done in Thursday and not exceeding Friday morning. 6- Unlimited revisions of the modification till we are totally satisfied without pushing us by any mean to close the project, and never delay than the requested time (note that we are in hurry and cant delay the migration at all) 7- Make sure that site is published correctly under SEO service to be founder fast while searching on specific words of search on Google or similar search providers, let us know what you need and what to do to go ahead with this service in a right manner. 8- The website need to be migrated : (contact me to get it) , confirm you have visited it and can migrate it with the above needed points 9- Your price: …… US $ 10- Duration of migration: ……. Hours Kindly send us your feedback on each point so we can evaluate them. Many thanks