What are the pros and cons of Gene Therapy?

Pros of gene therapy -
1.Gene therapy is a source of hope
2.The effects of therapy are long lasting and timeless
3. Gene therapy can eradicate disease and improve the quality of life

The cons of gene therapy
1. There is no guarantee and it can go wrong
2. Gene therapy is a costly treatment option
3. There is a potential for developing resistance
4. Ethical concerns