Looking for Hosting Solution for my Multi Country Forum

going to Start a forum .

now i am looking for Hosting Solution

To start off i am looking at Around $5-10 to start monthly depend on what kinda option do i get like
IP / control panel / Bandwidth / stable

Expecting Growth rate about 50 - 100 user monthly .
Will be placing Ads and so on to improve User sign up.


and with a good option to Upgrade my forum grow so i do not need to worry about moving .

MY target User
Asia / China / USA / Euro / Middle East
is a international forum

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please advice .