My take on Karma has never been spiritual, but systematic. If you do a good deed that inspires somone to also do a good deed, that would possibly end up benefiting your situation down the line by the same means utilizing some sort of domino effect. Having said that, you are not the one who needs to perform the good deed in order to be rewarded by 'Karma'. The deed can be performed by anyone, but the effect it has must be successful on the person who ends up returning your lost wallet instead of keeping it. This makes the most sense to me.

I can see Karma working on a personal/direct level too. Perhaps doing favors for those in the workplace could give you a good reputation, lead to promotions etc. But that might be falling astray from the idea of karma since karma seems to be the logic that 'no good deed goes unrewarded' and normally works on a spiritual stopwatch on an undirect level.

What are your thoughts on Karma and do you believe you have benefit directly from the results of a good deed you have performed? Do you encourage others to the idea of Karma because you take it seriously or because you wish to encourage people to uphold values and morals?