Nic salt e-liquid bottle lifespan and cost comparison

https://aged-wiki.win/index.php/Nic_salt_e-liquid_bottle_lifespan_and_cost_comparison

A 30ml bottle of 20mg nic salt e-liquid lasts me about three weeks, costing around $12, while a 10ml bottle at 50mg for $8 runs out in a week, making the larger bottle more cost-effective despite the higher upfront price.