A lucky HN or PH campaign might help for a while, but the traffic spike will calm down soon. I'll pay for them on the long run. For me, the CPC cost will make

A lucky HN or PH campaign might help for a while, but the traffic spike will calm down soon. I'll pay for them on the long run. For me, the CPC cost will make it worth. There are also other ideas, like launching an affiliate program, app marketplaces. Look at where the traffic is in your niche.