Salesforce Visualforce Page with Account, Contact and Inventory

Hi everyone,

I want to create lead record in that I want to add custom button (take any thing) in this custom redirect to visualforce page, in that page should have 3 sections:

1 account section, it should have few fields 1 account name (company), 2 Address

2 contact section  it should  have few fields 1 Firstname ,lastname,phone,email

note  account and contact record should have editable option inline (1st  priority) edit button (2nd priority)

3 Inventory  this is custom object     this object should have few fields 1 length(mandatory) 2 width 3 (height) and search button also when i click on search button result should be display few columns like check button, inventoryname, lenght, width, height, price, quantity then after I selected few records I click on add to cort button then those records should be added here display new table or pageblock section inventory name quatity and amount amount should product of price and quantity(formula)
there you can put create quote(button).