As per my calculations, the best way to go would be to invest 2mn usd as follows :-
aa) buy a apartment in your home country or some place you like preferably out of south america and in northern hemisphere to take advantage of reversal of climate.
--cost 300K
bb) Buy a apartment in a sexy high security building in sexy barrio such as palermo chico..in bA, preferably 100 m2. - with 2 bedrooms and 2 bathrooms ( one for you and one for yr gf/bf/visiting family). with a storage space and parking space.. cost 400K
cc) sexy car ( audi or bmw) + sexy furniture...100K
dd) Invest 1.2 million usd in solid gold, silver, stocks, fixed deposits, bonds, different currencies ( RMB + HKD apart from USD) in different countries worldwide..maybe 5-6 countries ( hong kong, singapore, swiss, australia, uruguay etc) ... 7-8 banks ( check their sheets...how much do they loan out) . some of your investments should give you eventually 5000 usd in cash a month to spend in bA..which is like 70000 pesos a month or 2500 pesos a day...sky is the limit with such spending money.
6. set up companies to run some of your accounts.. set up a cook island trust to run those companies and give the power of trust to some trusted family member but be the overall power holder.
With 5000 usd spending money
1) Invest in OSDE 550 plan...
2) Invest in a maid to come and clean/cook/stock yr fridge every 2nd day...pay her taxes...so that everyone hapy
3) set up a monoburito account with afip..and give a high category tax. feel free to disclose which account you want to.
4) get a good wing man to hit the night BA spots and meet people// or if you are a family man...get yr kids to the best school etc
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Last but not the least..in your free time as you enjoy this life..write a best-seller book.."how to make 2 million usd and live like a king in BA" and earn additional passive income for rest of your life.
This should be yr master plan.
tweak to for your personal adjustments