Investing

Commodities tend to do best in a poor economy because those aren't superfluous purchases.

GC=F Gold Commodity
Tends not to fluctuate much.
More stable in an unstable market.
I-Bonds US Savings Bonds Bond
Follows inflation.
Neither appreciating, nor depreciating.
More stable than cash in an inflationary economy.
BND Total Bond Market Vanguard ETF
More stable than stocks in an unstable market.
Generally makes significantly less money than stocks.
VXUS Total International Stock Market Vanguard ETF
International Markets.
VTI Total Stock Market Vanguard ETF
United States Market.
VT Total World Stock Market Vanguard ETF
Global Markets.

When to Sell

Based on Risk
Don't sell and just buy a little more of what you want each month.
Based on Time
The market always tends upwards over a 10-year timeframe.
If you don't the money for 10 years time, there's no point to sell!
Based on Economy
The market always recovers from crashes and downturns.
If you don't the money for 10 years time, there's no point to sell!