I see this over and over.  Solopreneurs who do not stay consistent with their marketing activities.  They jump all over the place with no real measuring or planning.  In fact, they normally get distracted by the latest shiny penny and they are off the path again. 
When was the last time you changed your marketing strategy?  Success comes from consistency and persistence.  Your success is dependent on your ability to take consistent action on at least one strategy, to measure your results, make small changes where you see the need and do it again. 
Examples are:

• Is your landing page converting?  Is it is great look at the next step in your plan.
• What percentage of those who engage actually purchase?  What can you evaluate in that area to improve your conversion rate?
• Are the prospects getting the opportunity to experience you and trust you?  Should they?
• How do you close the transaction?  Examine each step of the closing process where can you improve?

My point is continue to look at all of the steps in your process and look for opportunities to get better results.  Make the changes and continue testing.