The only LEGAL tender in the U.S. is U.S. currency.  

currenc...MailChimp works for simple email campaigns as well, is cheaper, and even offers a free version: https://mailchimp.com/pricing/To clarify, there is a difference between HubSpot's marketing platform and the HubSpot sales tool fka as Sidekick that @Gabriel Hershberger mentioned -- these are two different softwares. 

Talk with the old man and his wife and find out what her "currency" is - what may appeal to her.

We were very fortunate that the exchange rate worked in our favor upon resale, so we got equity build up and currency advantages.  

Another case here is that the FTC is credited against other tax owing...so if you have no other tax owing the FTC does not return the foreign tax paid.4) you will benefit from currency exchange when sending money north to buy the property (yeah!)

Investors go to gold as currency hedge/stock hedge.

In the past 10 years Ive done well trading stocks (and crypto currencies) and have learned technical analysis.

There's next to nada, anew... aside from the latest 'regs' to stem the tide of the 'sheeple,' awakening... or upsetting their apple carts, like bulls in their China closets... or derivatives, default swaps and crypto currencies.

I think the luxury condo market in South Florida was depending too much on other countries economies and currency.

If I currently have a modest passive income stream and a reliable property manager in Bucaramanga, Colombia what would be a good hedging strategy against possible currency spikes?