Alter YouTube Videos

I need to alter 4 youtube videos First From this 3 videos, I need to change where it says a telephone number, changing it to (will be provided) [login to view URL] [login to view URL] [login to view URL] Second From this video, I need to eliminate what is shown before the man begins to speak, and what is shown after the man stops speaking. Also, as in the First step above, add my phone number (will be provided) Time Frame Who wins the bid MUST DO THE JOB IN 1 DAY, 2 DAYS THE MOST. NO EXCUSES. IF IT IS NOT DONE IN THAT TIME FRAME THE BID WILL BE DISPUTED AND ASSIGNED TO SOMEONE ELSE