A

Weak Yen Cost Alert SaaS

3.80

Derivation Chain

Step 1 Continued weak yen and Korea-Japan trade expansion
→
Step 2 Growth in Small Business Owners importing from Japan
→
Step 3 Real-time import cost monitoring service
→
Step 4 Cost fluctuation → automated selling price adjustment tool

Problem

Online sellers (Smartstore/Coupang) who directly import Japanese products manually track cost changes due to yen exchange rate fluctuations, missing optimal pricing adjustment windows and losing 3-8% of their margins. For sellers with 50+ products, recalculating costs combining exchange rates, tariffs, and shipping takes 3-5 hours per week.

Solution

Register product URLs from Japanese shopping sites (Rakuten, Amazon JP) to automatically scrape yen-denominated prices, then calculate KRW landed costs by applying real-time exchange rates, tariff rates, and shipping fees. When margins drop below a set threshold (e.g., 15%), the system sends alerts and offers automated price adjustment via Smartstore/Coupang API integration.

Target: Online sellers directly importing from Japan (Smartstore/Coupang merchants), monthly revenue ~$3,750-$37,500, ages 25-45
Revenue Model: SaaS Monthly Subscription: ~$22/mo (100 products, daily refresh), ~$44/mo (500 products, real-time refresh + auto price adjustment). 7-day Free Trial.
Ecosystem Role: Infrastructure
MVP Estimate: 2_weeks

NUMR-V Scores

N Novelty
3.0/5
U Urgency
4.0/5
M Market
3.0/5
R Realizability
5.0/5
V Validation
3.0/5
NUMR-V Scoring System
N Novelty1-5How uncommon the service is in market context.
U Urgency1-5How urgently users need this problem solved now.
M Market1-5Market size and growth potential from proxy indicators.
R Realizability1-5Buildability for a small team with realistic constraints.
V Validation1-5Validation signal quality from competition and demand data.
Each dimension is scored 1-5 and weighted into grade S/A/B/C/D.
SaaS N=.15 U=.20 M=.15 R=.30 V=.20 Senior N=.25 U=.25 M=.05 R=.30 V=.15

Feasibility (66%)

Tech Complexity
29.3/40
Data Availability
17.1/25
MVP Timeline
20.0/20
API Bonus
0.0/15
Feasibility Breakdown
Tech Complexity/ 40Difficulty of core implementation stack.
Data Availability/ 25Practical availability and cost of required data.
MVP Timeline/ 20Expected time to ship a usable MVP.
API Bonus/ 15Bonus for viable public API leverage.
Total 100 points; below 50% is filtered out.

Market Validation (57/100)

Competition
8.0/20
Market Demand
6.2/20
Timing
14.0/20
Revenue Signals
10.5/15
Pick-Axe Fit
10.5/15
Solo Buildability
8.0/10
Validation Breakdown
Competition/ 20Signal quality from competitor landscape.
Market Demand/ 20Demand proxies from search and mention patterns.
Timing/ 20Fit with current shifts in tech, behavior, and regulation.
Revenue Signals/ 15Reference evidence for monetization viability.
Pick-Axe Fit/ 15How well the concept serves participants in a trend.
Solo Buildability/ 10Practicality for lean-team implementation.
Total 100 points; below 50 is filtered out.

Technical Requirements

Backend [medium] Frontend [low] Data Pipeline [medium]
Dashboard