Calc looks good, except --the final capital gains, when you eventually sell, you haven't included it yet, have you?
Only two funds have minor capital gains showing - these are distributions, right? What about the final sale in a few years, that will be at your spouse's tax rate too...
Assume a conservative 3% capital gains on the $1000 overall, per year (assume you sell everything and buy comparable ETFs for the next year). This is in addition to your dividends, etc, for a total return about 5% annually.
$30 Gains x (54% - 2%) x 50%= $7.80 additional tax dollars saved.
Total savings: $7.80 + $5.52 = $13.32
Total rate of savings: 1.33%... So, this is the same as getting another 2% return on your investments.
(Or did I miss where you already allowed for capital gains.? You mentioned growing in spouse's name so maybe not yet included?)
The next two challenges
-- This is not worth it for $13/year, but if you had $100k to invest, then you get $1330/yr which is very attractive.
-- Did you factor in the very low dividend interest rate for your spouse? It could be a negative tax rate on eligible dividends, so maybe you want to skew to CDN eligible dividends? Your tax rate on these is 39%, and your spouse's could be as low as -6%. (Guessing at your relative incomes / province here).
And finally
In your tax situation, you do have spousal RRSPs going on, right? Contribute to a spousal RRSP to the max this year, and then stop adding to it for 3+ years, and your spouse can withdraw the money and pay at their income tax rate over a few years, then you repeat. This is terrific for early retirees, or if you want to just convert from a higher to lower tax rate and have some time to plan it out.