nothing go wrong buying new card for fair price rather than buying coin at this peak of crypto, and most likely eth mining still profitable to the next 6-12months
before gpus out of stock better to buy when had a chance, then you can go sleep well while your gpus make money for you
Agree to your point of purchasing GPU vs purchasing crpyto at peak.
However, GPU mining is not like plugging GPU and go to sleep. There is always work specially first few weeks of a new setup. After 3 years of mining now I dont feel that excited when things break in rig. May be I should not purchase new GPUs.