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200+ 免费浏览器工具，用于开票、租赁、销售和房地产——无需注册。
u/Cryingpinaple · Reddit
Built a free toolkit that grew into 5 sites, 200+ tools, no signup required I started this a few days ago to build a free invoicing tool for freelancers because everything I found was gated behind a signup wall or a "free trial." It turned into a small portfolio of 5 sites, each aimed at a different kind of solo operator: Ledgerline: invoicing, contracts, and tax calculators for freelancers Rentline: rent increase letters, late fee calculators, and lease guides for landlords Sellerline:
adswar.lol is a live pay-to-ride ad belt. Launch with USDC/USDT, fight for the top 6 slots, and earn season rewards for the longest belt time. #1 takes 40% of period earnings.
@iMikeElson · X
Here's mine: Launch free. Stay longest. Top 10 win.
