Israel halted commercial goods entering Gaza on Wednesday, citing a dispute over fees involving Palestinian merchants and Hamas. Within 72 hours, egg prices nearly doubled, onion prices jumped 60-100%, and flour prices more than doubled in some areas. The speed of the price transmission tells you everything about the fragility of Gaza's supply chain — there is no buffer, no reserves, no redundancy. The dispute centers on a 10,000-shekel ($3,242) charge that Israel characterizes as a Hamas-imposed tax on commercial trucks. Gaza's Government Media Office disputes this framing, calling it a voluntary community fund for vulnerable families and describing the 30% cash-transaction requirement as a liquidity management measure agreed with the Chamber of Commerce. Whatever the accurate characterization, Israel has leveraged the disagreement to shut the crossing entirely — a response wildly disproportionate to the stated grievance. The human mechanics are stark. Ismail al-Barawi, 52, from Jabalia, feeds an extended family of 11-12 people. A carton of eggs went from 35 shekels ($11.34) to 60-70 shekels ($18-$21) in three days. He now buys four or five eggs instead of a full carton of 30. He predicts a 50kg sack of flour could reach 200-300 shekels ($60-$90) if closures persist. This is not speculative hardship — it is the lived arithmetic of a siege economy where every price shock is multiplicative. Iman Atallah, a 50-year-old displaced woman in Beit Lahiya, describes flour jumping from 25-35 shekels ($7.50-$10.50) to 80 shekels ($24) since the closure. Her family has already cut eggs from their diet, skips breakfast or dinner, and relies on rice and lentils. Aid-distributed flour lasts less than a month. She cannot stockpile because she has no income — the closure creates a two-tier crisis where those with cash hoard supplies while those without watch prices climb beyond reach. The structural context is damning. OCHA reported in September 2026 that Gaza food prices already averaged 204% above pre-October 2023 levels. This was before the new border restrictions. Gaza has been under Israeli blockade since 2007, meaning the entire supply architecture runs through chokepoints that Israel controls unilaterally. The commercial import ban is not an aberration — it is the intensification of a system designed to maintain maximum leverage over a captive population's access to food. Gaza authorities have called for 600 trucks per day to enter the enclave, in line with existing agreements. The gap between that figure and the current zero trucks of commercial goods represents the scale of the extraction. Fresh vegetables spoil within days. Unreliable electricity makes meat storage impossible for more than brief periods. The structural conditions ensure that even temporary closures produce cascading, compounding harm that persists long after crossings reopen. The pattern is self-reinforcing: closure triggers panic buying by those who can afford it, which accelerates price rises, which makes food inaccessible to those who cannot. Traders raise prices on rumor alone. The distinction between artificial scarcity and real shortage collapses when a single actor controls every entry point for food into a territory of over two million people.