Preparation of Effexor
You may not necessarily need to start your procedure beginning with phenol. You may start it with readily available (for cheap price compared to the trouble you are going to have by handling methyl iodide, allyl bromide, and $\ce{AlBr3}$ or $\ce{AlCl3}$) 4-anisaldehyde (4-methoxybenzaldehyde). That is the exact product you are getting after your step 3. Although, steps 4-6 are some very thoughtful organic synthesis steps, I doubt it will give you the expected product. Therefore, I suggest following steps to follow:


Buy 4-anisaldehyde (4-methoxybenzaldehyde) from Sigma-Aldrich (available in 98% purity.
Prepare Grignard reagent using chlorocyclohexane/$\ce{Mg}$ in diethyl ether.
React Grignard reagent (cyclohexyl magnesium chloride) with 4-anisaldehyde.
Perform dehydration of resultant $2^\circ$-alcohol to give double bond.
Perform epoxydation of double bond with 3-chloroperbenzoic acid.
React epoxide with nitromethane.
Reduce nitro group to $1^\circ$-amino group.
Finally, convert $1^\circ$-amino group to dimethyl amino group by reductive amination with formaldehyde.