new start up

I`d like, alongside with building up a store on Etsy, to make some stores on other platforms for advertising purposes. So I need some platforms with low-priced listings (best case - free). Google search gives results like this. Sites Like eBay, or How to Choose Alternative Marketplace • and this...

Hey! I thought I would reach out to gain some advice really. I've been tasked to help a purely online business in the HYPER competitive market of mortgages. Trying to compete with the big wigs is nigh on impossible organically, their domain authority is way to high and this is a new business...