I was concerned about the cost of this and the recent falling price of Litecoin but read this from yesterday (MarketWatch link provided):

"Another cryptocurrency named Litecoin is expected to again traction in the near future."

Like all investments there are cycles of high/low, so hanging in there.

https://www.marketwatch.com/press-release/cryptocurrency-market-to-reach-us670-bn-by-2025-absence-of-third-party-intermediary-triggers-demand---tmr-2018-11-14