Tax impact on house:  $300K becomes $1.3Mil  less RE commissions. no capital gains on sale
TD Bank shares $300K becomes $3.777Mil less capital gains of 944,250 = $2.832Mil

If you think the home you live in is the best investment, it's usually because it's your ONLY investment. In the best case scenario, it's like a piggy bank. After calculating all input costs and lost opportunity costs, you might get back what you put in.