Divar Island — Phased ROI Calculator
Heritage Café (Phase 1) + Prefab Stay Units (Phase 2) — drag sliders to update all figures
Setup investment
Renovation — existing structure (walls, floor, ceiling)₹1,80,000
Heritage décor (history wall murals, frames, lighting)₹80,000
Table tops (resin with coins/notes embedded)₹60,000
Commercial deep freezer (2× 300L)₹55,000
Gas/electric fryer + cooking equipment₹45,000
Crockery, cutlery, tables (12 indoor + 8 outdoor)₹40,000
Initial frozen food stock (1 month)₹25,000
Electrical upgrade + wiring (3-phase for freezers)₹30,000
Signage + outdoor seating (8 covers)₹20,000
Total Phase 1 investment₹5,35,000
Monthly revenue model
Off-peak month
—
Mar, Sep, Oct
Monthly costs (running)
Food cost (frozen — ~35% of revenue)—
Staff (1 cook + 1 helper + 1 waiter)₹28,000
Electricity (freezers + AC + lighting)₹8,000
Gas / LPG₹4,000
Maintenance + misc₹5,000
Monthly net profit (avg)
—
Investment payback period—
Unit type comparison — pick one for your slope
Container (40ft)
₹4.5–5.5L
per unit · durable · rustic
A-Frame prefab
₹3.5–4.5L
per unit · scenic · fast
Dome (geodesic)
₹2.5–3.5L
cheapest · wow factor
Phase 2 setup investment — 3 geodesic domes (recommended)
3× geodesic domes (5m dia, incl. delivery from Bangalore)₹9,00,000
Foundation + plinth (concrete base, slope levelling)₹1,50,000
Electrical + plumbing per unit (3 bathrooms, 3 ACs)₹2,40,000
Bathroom fittings (3× basic attached bath)₹1,20,000
Beds, linen, furniture per unit × 3₹90,000
Covered walkway + laterite stone pathways₹60,000
Airbnb/Booking.com photography + listing setup₹15,000
Parking gravel + compound wall finishing₹25,000
Total Phase 2 investment₹16,00,000
Monthly revenue model — stays
Peak monthly rev
—
80% occupancy
Off-peak monthly
—
~45% occupancy
Monsoon monthly
—
~25% occupancy
Avg monthly rev
—
blended annual
Monthly costs — stays
Caretaker + cleaning staff (2 part-time)₹18,000
Electricity (3 AC units + lighting)₹9,000
Linen laundry service₹4,000
Airbnb/Booking platform fee (~15% of revenue)—
Maintenance + toiletries + misc₹6,000
Monthly net profit (avg)
—
Investment payback period—
Combined monthly — both phases running
Total avg monthly profit
—
café + stays
Total annual income
—
approx
Total investment both phases
₹21,35,000
café + stays
Combined payback
—
from both running
Monthly profit comparison — café vs stays (₹)
Café profit
Stay profit
Combined
Cumulative profit vs investment recovery (₹ lakhs, 30 months)
Café cumulative
Stays cumulative (Phase 2 starts M7)
Combined
Below zero = still recovering investment. Crossing zero = breakeven achieved.
Which to start first?
Calculating...
Recommended phase plan
Month 0–1Renovation + heritage décor + equipment procurement
Month 2Soft open café — test menu, gather reviews, build social presence
Month 3–6Optimise café ops, save profits, order dome/prefab units
Month 6–9Install 1st stay unit (Unit 03 — best paddy view = premium rate)
Month 9–12Install units 01 & 02. List all 3 on Airbnb + Booking.com
Month 12+Both phases running. Combined profit funds expansion or loan repayment
Café advantageFrozen food = very low wastage, minimal skilled staff, consistent margins
Heritage wall tipUse Wikimedia + CEPT archives — free printable photos, zero cost
Coin/note tablesAntique dealers in Panaji / Mapusa — ₹8,000–15,000 total for all tables