That definition was trending in Google searches recently between end of August to early September. Unlikely the same context with D-City game since more relevance to liquidity pool (LP) provider. Guess I should stop trying that hard, my apologies.
Bought my first D-City (SteemCity) card back in February 24 and I think is time to audit my accounts using a useful tool by 
We cannot consider the summary as actual representation since offline trades and some data accuracy may have been loss during the transition from Steem to HIVE as well. However, it does serve as an insight to gauge roughly 
In order for me to analyse further, I've re-positioned the Income & Cost on top of each other instead of horizontal linear display, using good ol Excel spreadsheet.
Looks like 3 out of 4 columns is in negative territory. Assuming the exchange rate average of 0.00475 HIVE per SIM, my current position in SWAP.HIVE or HIVE is (drumroll)
Season players will be quick to point, what about the cards valuation and current daily income?
If
If
Zero spending is quite hard in D-City, as the game evolves and the temptation is there. There are couple of strategies to maximize return but mine may not be an exemplary one.
Think you can do better? Want to give it shot? Check out guides available here;
Tutorial by @nealmcspadden
Tutorial by @libertycrypto27
Tutorial by @ecoinstats
Helpful discord D-City community - Join us here.
Never too late.