For finance comparisons, record when each illustration was obtained and which assumptions you supplied. Offers gathered at different times or on different property scenarios should not be presented as direct alternatives.
I’d avoid a tight response deadline unless there is a genuine reason for one—it can make an otherwise modest offer feel tactical. The missing fact is how you would handle a valuation below the agreed price. Decide your maximum appraisal gap and deposit exposure before offering, not after.
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