You can wait for year 2040, US gov may sell F-18,:F-15 and F-35 retired and obsolete Airfighers to Taiwan Gov at very high price. Year 2040, US and NATO equipped with Gen-6 Airfighers. Dumped the junks to Taiwan Airforce at high price is a best deal
F-15EX is cheaper than F-35. Also cheaper than F-16V bought by Taiwan clumsy government: 1. 24x F-15EX fighter jets to Indonesia is $13.9 billion. The per unit price is $80 million. 2. Bahrain: USD $1.1 billion for 16x F-16Vs, each about USD $68.75 million. 3. Taiwan: USD $8.2 billion for 66x F-16Vs, each about USD $124.24 million. 4. South Korea : In 2022, South Korea agreed to purchase an additional 20 F-35As, at a unit price of $92 million
You can spend USD $700 to get one way ticket to Ukraine by your pocket money to run an errand there, daily help Ukrainian soliders buy lunch boxes , coffee and cigarettes there. After half an year you will know why NATO, EU, UK, US do not want to declare War against Russian Government at all.