How long should I safely leave a gap between receiving COVID-19, flu, or other vaccines before and after plastic surgery, dentistry (implants, extractions), ophthalmology, dermatology procedures, hair loss treatment, or bariatric surgery?

Please share your practical experiences and precautions regarding post-vaccination lymph node reactions, fever, and the concurrent use of anti-inflammatory drugs and nutritional supplements (omega-3s, anticoagulants).