RebE, but you should also arrange to give an interest-free loan. For that, you need to find a struggling businessman and also have sufficient – and honestly earned – funds that you can lend.
Also, arrange for paying workers on time. I guess, you can do on a cheap this with cleaners.
Drilling eved ivri’s ear seems illegal in USA, so we skip that, or travel somewhere else to perform.
To catch a rodef, you may want to work as a policeman, soldier, or CIA. Maybe just volunteer as a security force at your shul ..
There is also a simple half-pasuk that we repeat weekly, but not everyone treats this is as a mitzva (some do): sheshes yamim seavod …