When the cost approach outweighs the sales grid on an appraisal that lands well under expectation

The GRM line is worth a close look. A multiplier of 118 on 2,950 in monthly rent produces roughly 348k, and that's well below the sales conclusion. Either the multiplier is stale or the current rents sit above what the multiplier was derived from. If the comparable duplexes in the grid were rented at a lower figure when they closed and the subject property is now well above that, the appraiser likely derived a multiplier from a lower rent regime and applied it to higher rents, which should push the income indication up, not down. Worth asking what rents were used to derive the multiplier. Separate point: at the appraised value, what's the resulting loan amount and payment, and does the deal still work? If the total cost basis is comfortably under a seventy five percent loan on the appraised value, and that loan retires the existing debt with the payment clearing at current rents, the appraised number is a bookkeeping disappointment rather than a real problem. The current outstanding balance is the number that decides whether this matters.

@omar_haddad is right that a stack of invoices tends to go nowhere with an appraiser, but sending a one page scope summary alongside it is worth doing anyway. Appraisers generally respond to a scope list with dates far better than to receipts, because receipts don't tell them what's behind the wall. The electrical rework is worth calling out specifically. A mid century duplex with old wiring versus an updated panel is a different insurability profile, and that shows up in buyer behavior even when no appraiser has a line item for it.

With limited time on a rate lock and a set of unattractive options, it usually makes sense to decide on the clock rather than on the value alone. A reconsideration of value through a lender's channel typically runs five to twelve business days and comes back unchanged more often than not, so a request filed with two weeks left often means re-locking regardless of the outcome. Waiting for a better comparable sale to close is the option nobody likes and it is often the right one when the payment math does not support the appraised value. But duplex sales in a thin submarket with only a few trades a year do not arrive on schedule, so waiting could mean the better part of a year, and rates move in the meantime. Confirming the re-lock terms with the lender in writing before deciding is the step that reveals the real cost of waiting.