I can ensure you that I can help you to grow your new channel and I am so much interested to do your project.
In response to your requirements::
1)I will Increase monetizable watch time and subscribers rapidly and able to managed 1k subscribers with 4k hours watchtime within a month for 500$
2)I will definitely improve the performance of your channel.
3)Optimise videos using paid VidIQ and Tubebuddy extension and analyzing data from past content to create a trending content plan for your brand including like cpc rate, suggested keyword, watch time etc, competitors analysis all related to optimization.
4)Optimize your channel meta tags, tags, description,logo, banner, intro& outro, Video Thumbnail, Use card and end screen properly
So If you provide me the project you will find me 100% accurate because I have done lot of similar project before.
I would like to get an opportunity to discuss with you about this project and want to explain my working procedure.I look forward to working with you.
Thanks