During vegetative growth, you might leave the lights on 24/7, but when the plants have matured enough, youâll want to switch them to a 12/12 light to darkness ratio. That means, the lights stay on for 12 hours and they go off for 12 hours straight.
Cost to Start a Dollar Store Franchise. Initial startup costs begin at about $25,000 to $50,000 and range up to $300,000 or more. That covers most everything youâll need to get started, including inventory, the initial lease, fixtures, signs, office equipment and grand opening advertisement.
1 This fee can be as low as $10,000 to $15,000 or as high as the sky--in some cases well over $100,000. The average or typical initial franchise fee for a single unit is about $20,000 or $35,000.  Royalties or Ongoing Franchise Fees. Franchisees usually pay an ongoing franchise fee or royalty.