What about just put all the money back into development and trying to make the foil gear good enough that it just does the talking.
If the company makes a little money then put a bit back in by helping with a few events or stuff along these lines.
We are DTC for 90% of the foil gear which really has good and bad I guess, we have no budget for riders not that I would really want to sponsor anyone anyway, I would rather help by making the gear cheaper at the checkout for all rather than free or cheap for a few and then having to increase the price to the average Joe to help cover some cool kids travel expenses, plus if I make enough I want to go to the cool spots myself

If we ever get a chance to hold some stock we plan to have demo kit that just gets posted around the place so people can try it out for a longer periods of time but not quite there yet as we have never been able to hold enough stock yet so this I think is a good idea.
Low over heads keep the quality of materials as high as possible, pay good money to get stuff made and avoid China where possible haha.
Good customer service as well and be easy to contact. Nothing worse than not being able to talk to someone real either by phone, email or even real old school and in person.
100% agree on the rider reviews, they are so predictable, not sure why you would bother.
Maybe some independent podcasts as well are pretty good, I don't listen to many myself but know quite a few people who do so guess this is not a bad way.