Don't start until you have a rough plan of the things you want to accomplish. It doesn't have to be very clear but knowing the key milestones is very important.

Below is an example of my plan I had for Despreneur:

• Concept development (identifying problem, coming up with solution, market research)
• Defining target audience
• Vision, mission, values
• Content and marketing strategy
• Editorial calendar
• Business model development
• Competitors analysis
• Unique selling proposition (USP) development
• SWOT/TOWS analysis
• Branding
• WordPress setup, plugins
• Theme customisation
• Launch
• Analytics
• Maintenance