This is a false dichotomy: low risk hospitalization vs unknown long term side effects of the vaccine. The correct choice is unknown long term side effects of COVID-19 vs unknown long term side effects of vaccine.

In other words: you will get your immunity either by becoming sick (and maybe get well known short term side effects of being sick, including hospitalization and death) or by getting vaccinated, with other set of short and long term known and unknown side effects. In the first case you will put more pressure to public health system (even by staying home and consuming self-prescripted basic drugs). Otherwise the choice is yours.