Hi,
I gave gone through your requirement, however it was not that long :)
I hope you can understand that, a Conversation in which declaring expectation in terms of requirement would be a great Idea. We'd list to make a list of functionality and services that we are going to provide you with the specified budget or the budget we will fix at the end of conversation if there are any new variations afterwords. We are also good with NDA if you'd like.
We accept payments only after the certain amount of work has been completed and delivered it to you. there will be no upfront payments or no any other hidden charges.
We value your time, so there will be no involvement require from your side accept when you wish to check updates and regular updates, Daily / Alternative days or weekly.
Looks good so far?
Come on in PM us. We believe in long term relationship.
Looking forward to your response.