We don't mind folks here giving advice on where to buy stuff. As long as it's relevant to the thread (as it is here) then it's fine. Also if you are suggesting a company you have an association with then you must make it clear that's why you are mentioning them, and also be a regular contributing member who is here for more than just advertising.
Basically if you are just helping someone with a suggestion of a company you have had good experience with then it's fine. If others want to give other suggestions for balance that's also fine
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