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SaaS ideas, mined from what people actually complain about.

Every idea comes from real Reddit posts, was researched against today's competitors, and survived an independent skeptic before it made the list.

Marketplace Listing Upkeep

Sellers struggle to efficiently create, maintain, and optimize product listings across multiple marketplaces, leading to lost sales, wasted time, and algorithmic penalties.

In their words

How do I identify if this is a traffic problem vs conversion problem?

r/IndiaBusiness on Reddit

I have 100 listings I hate when they make these great changes and now I need to manually update each one to take advantage

r/EtsySellers on Reddit

I am having a problem with optimizing my tracking and potentially make it as automated as possible.

r/FulfillmentByAmazon on Reddit

I need help managing the ads manager and help with how to use. Boosted. Sometimes my listings are completely hidden. Looking to hire someone.

r/FacebookAds on Reddit

I'm still opening listings one by one and filling out fields.

r/reselling on Reddit

I also have sizes inaccurately read all the time and buyers reach out to confirm with me because the photos and listing wont' match

r/reselling on Reddit

Every single one of my active listings is gone. My active count is at flat 0, and over 12,500 listings have been forced into "Inactive."

r/Mercari on Reddit

I have to put in serious work to find ANYTHING of value on Poshmark anymore.

r/poshmark on Reddit

I feel like that every listing I post is only getting half of the traffic that it should get.

r/eBaySellers on Reddit

The biggest challenge right now is that I'm still the bottleneck for a lot of things (buying inventory, listing products, making decisions).

r/Entrepreneur on Reddit

All this can easily take an hour or more for each item.

r/eBaySellers on Reddit

It literally takes me an hour to list 4 things. Is this normal?

r/poshmark on Reddit

you have to be constantly monitoring 10 different things to catch anything that could go wrong in a timely fashion

Hacker News

Online marketplace sellers

Where they talk

  • r/FulfillmentByAmazon
  • r/AmazonFBA
  • r/EtsySellers
  • r/eBaySellers
  • r/Etsy
  • r/reselling
  • r/EtsyCommunity
  • r/poshmark

Tools they use today

  • Etsy
  • eBay
  • Amazon Seller Central
  • Poshmark
  • Facebook
  • Shopify
  • Amazon PPC
  • Claude

Why those fall short

  • ads expensive, listings get little exposure, AI and mass-produced items flood search
  • no automated measurement capture or listing entry
  • support tools cannot differentiate previously active from historically inactive listings
  • notifications still appear in app despite being turned off
  • Blocking and reporting do not filter or remove fakes