Is it better to not start with Heavy Bowgun at launch?

I’m new to MH so I know very little about how the game works except everything I learned during the two betas where I learned and mastered the weapon and it’s combos etc. I have a couple of experienced friends and i’ve been told the bowguns might not be the best option to begin with because i’ll have to farm resources for different ammo types and stuff. How true is this? Like do I have to put in more time into farming ammo if I pick the HBG compared to say the Bow where I can just instantly pick it up and go?