“The shop’s display consisted of a solitary wand lying on a faded purple cushion in the dusty window. The shop was tiny, empty except for a single, spindly chair in the corner. Thousands of narrow boxes containing wands were piled right up to the ceiling of the tiny shop, and the whole place had a thin layer of dust about it.”
What if Voldemort didn't offer Frank or Alice Longbottom a chance to sacrifice themselves for their child, his offering to spare Lily was only a whim based on a prior request to do so. What if he killed Alice and Frank without hesitation, and was able to kill defenseless little Neville. Then just to be safe, he tracked the Potter's down too. What if Snape didn't find out in time, and Lily was murdered without thought, and Harry shortly after.