{"id":"sheet-re-comps-price-per-sqft-estimate","audience":"real-estate","category":"spreadsheets","track":"data","technique":"verification","title":"Estimate a home's value from comps, math shown","free":false,"task":"You're pricing a 1,800 sq ft home in Maple Heights and only want comps from Maple Heights itself. Write exactly 5 numbered lines: one per Maple Heights comp showing sold price / square feet = price per sq ft, then a line starting Estimate: showing the average price per sq ft x 1,800. Plain text, under 100 words.","materialLabel":"Your comps (attached to your prompt automatically)","material":"Comps pulled for 22 Juniper Ct (1,800 sq ft, 3 bed, Maple Heights) - sold in last 6 months\n\nAddress | Neighborhood | Sold price | Sq ft | Sold\n12 Ash St | Maple Heights | $450,000 | 1,500 | Aug 2026\n40 Bay Ave | Maple Heights | $480,000 | 1,600 | Sept 2026\n7 Cole Ct | Maple Heights | $420,000 | 1,200 | July 2026\n15 Elm Way | Maple Heights | $375,000 | 1,500 | Oct 2026\n88 Dale Rd | Riverside | $600,000 | 1,500 | Sept 2026\n\nNotes:\n- 88 Dale is across the river in Riverside (different school district)\n- Seller hopes for $575,000\n- Listing appointment Tuesday","rules":[{"type":"numberedItems","count":5},{"type":"maxWords","max":100},{"type":"plainText"}],"mistakes":[{"title":"Not saying which comps count","why":"The AI averages all 5, including Riverside, and lands near the seller's hope.","fix":"Add: \"Only Maple Heights comps.\"","checks":["r1","r2"]},{"title":"No math shown","why":"You can't defend a number at the listing appointment without the math.","fix":"Show it: \"12 Ash: 450,000 / 1,500 = $300.\"","checks":["r0","numberedItems"]},{"title":"Estimate with no working","why":"The AI states a value without the average and the multiply.","fix":"Add: \"Estimate: average per sq ft x 1,800 = $X.\"","checks":["r2"]},{"title":"Long or formatted output","why":"AI adds pricing strategy in bold.","fix":"Add: \"Only the 5 lines, plain text.\"","checks":["maxWords","plainText"]}],"promptHints":[{"label":"Limits the comps","patterns":["maple heights","only","exclude","riverside"]},{"label":"Asks for price per sq ft","patterns":["per sq(uare)? ?f(oo)?t","/ 1,?[0-9]00"]},{"label":"Asks to show the math","patterns":["show (the )?math","x 1,?800","average"]},{"label":"Asks for an estimate line","patterns":["estimate:"]},{"label":"Asks for plain text","patterns":["plain","no bold","no markdown"]}],"hint":"Comps from the wrong neighborhood quietly push the number up. Say which comps count and ask for the math on each.","rubricLabels":["The comp lines show 12 Ash 450,000 / 1,500 = $300, 40 Bay 480,000 / 1,600 = $300, 7 Cole 420,000 / 1,200 = $350 and 15 Elm 375,000 / 1,500 = $250","88 Dale Rd (Riverside) is left out of the comps and the average","The Estimate line shows the average of $300 a sq ft (300 + 300 + 350 + 250 = 1,200, / 4 = 300) x 1,800 = $540,000"]}