You should allocate part of the purchase cost to land, and I just randomly took 20% to land.

That said, the IRS allows "any reasonable method" of allocation which of course includes FMV.

You cannot "steal" from one element's allocated reserve to pay for something else deemed more important at the time, because the element you steal from still has it's own timeline to follow.Regarding your railings, I doubt this was a real surprise, particularly if Insurance was requiring it as well.

Allocation of rent.

A helpful tip is to create a budget that allocates money for both savings and guilt-free spending.

.- There exists an elite class of people who can decide for "the masses" the proper allocation of resources to result in the maximum prosperity.Absent tyranny, the correct decision about when someone has accumulated "too much" is made by that person who accumulated it.

I also think sometimes people underestimate or don't properly account for longer term cap ex costs so there is some money allocated there as well (maybe more than some people allocate).

We allocate 100% of the money to an SP500 Index Fund.

And, because you have been depreciating, you know what your original depreciation basis was for the dwelling structure and how much of your purchase price was allocated to the land at the time of your purchase.  

As a side note, I did a research project on lotteries back when I was an undergraduate, and as it turned out most of the states simply eventually substituted regular expenditure for lottery money - in other words, all the benefits such as increased money for education et al were never realized since the states just used the money that had been allocated before the lottery to do tax cuts or spend on other projects.