Soft currency, hard currency, it’s equivalents and commodities (natural resources)From there, For local economy cash flow (spending money where you live), you’ll probably get into real estate and local business cash flow activities and it’s deviations 

If you are using the platform to trade crypto, a fee of 1% is charged per transaction.

From a logical perspective it's gotta be this way, otherwise the best strategy becomes max leverage all the time no matter what and the currency collapses.

Common investment choices include rentals, private placements, tax liens, precious metals, crypto, private businesses, etc. 

I have been studying and trading Forex, Stocks (stocks not so much) and Crypto currencies (just recently started Nov. 2017) part time since I was 18 years old so have a clear understanding of value and how it fluctuates based on a number of variables, and think i have an amazing leverage over the average noob.

@Sean WalcottSyndication is just a fancy term to represent the pooling of money together to make some type of investment.The investment will depend on the prospectus and the investment strategy of the sponsor.A syndication can invest in Stocks, Pre-IPO companies, crypto or real estate.Since you are on a real estate site, I assume a real estate syndication.A real estate syndication can be very broad as there are many strategies - SFH, Multi, Land, Commercial, Storage, etc.Speak to your CPA how an investment in a syndication will impact your taxes.Normally, you will be a limited partner / non-managing member in a syndication which limits your capability of utilizing losses to offset your W-2 income since you won't have active participation.

Like Living in South Africa but earning in dollars, currency conversion rich. 

(Not sure, but it seems like crypto currency gains might qualify too.)  2.

I have a govt pension coming at age 50 but other than that I don't buy stocks, bonds, crypto etc. 

My wife enjoys decorating the house for the seasons.She listens to me talk about commercial real estate investments and development and is interested but likes doing her own stuff.There are teams out there that both love real estate and other partners who find joy and currency in many other different things.I celebrate the differences as it is another unique angle in life to experience and enjoy.The big question is if your girlfriend is okay with having 3 tenants living next door to her?