Someone to support me in Email marketing/sales/

I am an online personal (fitness) trainer focusing on men 50+

Have a very large email list and essentially the list is growing every day looking for someone to support me plus finding a solution with the following

I'd like the following support and guidance



a) very important that you have some experience in the online fitness world
b)which is the best CRM to use I've been advised this one sendinblue.com is the most cost-effective and sustainable? is there a better solution
c) create email templates/ + automated emails for when people subscribe (get emails immediately)
d) create a marketing strategy
e) sales strategy
f) support me through the journey

Please note if you respond with a generic proposal and clearly did read my description it will be rejected

Thank you