No. A qualifying E spouse’s work benefit depends on valid status and appropriate evidence. Savings do not create immigration authorization.
Separate the family budget from intended work
Eligible dependents include a spouse and unmarried children under 21; children receive no spousal work benefit. Describe genuine staffing without assuming family help is already permitted.
If the family intends to relocate while the investor continues to run a Canadian business, be explicit about that with counsel, because it changes both the practical arrangements and the description of who is directing the American enterprise day to day. Household arrival plans made before a business opens are made with the least information anyone involved will ever have, so agree a date some months out at which the plan is revisited against actual trading, and shape the intervening commitments accordingly. Note one point that surprises owners: owning the company does not by itself authorize you to perform work in the United States — the authorization comes from your status and its terms, which is exactly what repeated absences can put in question.