SaaS ideas your next customers are already looking for
100 SaaS startup ideas for the people who said they'd pay, from agency owners to dentists. Micro SaaS ideas, AI SaaS ideas and B2B SaaS ideas: find yours, build it, sign them up.
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Pain points in business: what people struggle with
Search the problems to solve, as people described them on Reddit and other platforms, in their own words.
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Cross-Border Duties and Taxes
Sellers struggle with calculating, collecting, and filing international duties, taxes, and customs paperwork accurately and upfront.
In their words
Ideally I'd like a way to display all the fees and have the customer pay everything up front
I'm looking for a tax engine / tax calculation API that can automatically determine and calculate the appropriate sales tax, VAT, or GST for each transaction based on the customer's location.
Monitoring and filing on 52 states sounds time consuming - not sure it is, but would rather concentrate on things I know rather than this kind of tax stuff.
On Etsy, there is no mechanism to handle this fee. I've had to raise all my prices by €3 across the board for EU buyers to cover the cost
the data entry crew has been totally bypassing them. they've just been dumping everything into a single placeholder SKU ("CUSTOM-EQUIP")... and then they just paste the actual data in the "Internal Notes" section.
Recently I’ve been doing a lot of state by state research into each of those requirements, and it is very time consuming.
We are owed around $20-25,000 on tariffs and won't be able to even file our claims until later in July with potential reimbursement coming in late August.
since de minimis was removed in 2025, how are other overseas dropshippers actually handling duties/tariffs now?
rather than us being charged the expected 13.9% tariffs we were hit with 200% tariffs for multiple shipments
Since the trade license is still linked to the old owner's active TRN, will our new application get blocked by the system?
Is there an app that we can use that will automate this, or is there is a special setting in Shopify that needs configuring?
if you've combined LLM retrieval with deterministic financial tooling, I'd love to hear your thoughts.
I didn't pay a merchant-of-record for card processing; I paid them to take on global tax (VAT/GST by jurisdiction) and chargeback liability.
The result is a mess of reports, injunctions, penalties for late filing, etc. coming to you in Polish, German, Spanish, Hungarian. I eventually gave up.
Cross-border ecommerce sellers
Where they talk
- r/ecommerce
- r/shopify
- r/smallbusiness
- r/dropshipping
- r/woo_shipping_help
- r/shopify_shipping_help
- r/ShopifyeCommerce
- r/SaaS
Tools they use today
- Shopify
- WooCommerce
- QuickBooks
- Etsy
- Paddle
- DHL
- FedEx
- Stripe
Why those fall short
- no mechanism to handle per-item fee; overcharges multi-item orders
- Validation blocks entry without the data entry team having the information
- expensive for solo/small practice; no single resource by state and tax type
- moves money but no threshold alerts or state rule handling
- gets classifications wrong 60-80% of the time, oversimplifies, lacks product nuance
Map of ideas
Drawing the map…