For businesses that earn money, buyers think in multiples of profit: the average monthly profit of the last 6–12 months × a number (often 24–48 months for websites and content sites, higher for fast-growing software).

• Higher price: steady or growing income, several traffic sources, little work each week, verified numbers, a long history.
• Lower price: one traffic source, recent drops, lots of your own time, no proof of the numbers.

Use the free valuation tool and look at the sold archive for similar assets. Domains and accounts without income are priced on comparable sales, name quality and audience instead.