Guys is it necessary to post reels on ig for growing your ig?

Guys if a potential client doesn’t have an email list what do I do? Should I reccomend he start one but then he might ask me to run the email automation which I don’t know how to

https://docs.google.com/document/d/1xpNyR1okVDUFDXYAH8rlysZD930eV2_0h2mpiN4Vb8Q/edit?usp=sharing https://docs.google.com/document/d/1f8sLHOcTonC8giiOll8oekVudcKoBmY2m6PLZ_eiB70/edit?usp=sharing https://docs.google.com/document/d/1D2sozRgwfXrem3YHW1G8rTy3J3HGdH-N4wyCOAeDGX0/edit?usp=sharing

https://docs.google.com/document/d/1IA796ZGVAGfFab5JTk0oRqNvecenbS8Zeo58M_ltjME/edit?usp=sharing

https://docs.google.com/document/d/10tFl2U_3f2_vFkQK_3V4syHnZnGmjqzwdYLFy93DTDg/edit?usp=sharing