Where can I get Argentine pesos?

Could you please enlighten me on the most convenient methods to acquire Argentine pesos? I'm currently interested in exploring investment opportunities in Argentina and I'm in need of the local currency. I've heard about the various options like currency exchanges, online platforms, or even banks, but I'm not sure which one would be the most suitable for my needs. Could you elaborate on the advantages and disadvantages of each method? Additionally, are there any specific fees or commissions I should be aware of? Your guidance would be greatly appreciated in my efforts to successfully acquire Argentine pesos.