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K6ARK's QRP kit and some SuperWire Stealth and you can make a dipole, EFHW, or random wire antenna good for up to 20W. Use a NanoVNA to tune.
K6ARK kit (multiple versions available) - https://www.amazon.com/dp/B09WM3DBDM
SuperWire - https://www.amazon.com/Super-Antenna-MS135-SuperWire-Stranded/dp/B014ZT3BA2
Nano VNA - https://www.amazon.com/AURSINC-NanoVNA-H-Vector-Network-Analyzer/dp/B07Z5VY7B6/