In need of guidance!

Myself I would cover what I am not going to dig this year and dig (by hand) the uncovered bit getting out as much weed and roots that you can then spread with manure and leave till the spring.

The first thing is be aware of the Plot politics that go on and don't get involved.

I'd suggest covering areas not being used with something - weed fabric, newspapers, tarps, etc. This will mean less work for you to keep the weeds under control.

A rain cover. Oftentimes it will rain enough to get you wet but not enough to leave the plot for the day. Get a cover to keep dry while you pot up or whatever and then when the rain is over you can get back out.

Consider the cost of petrol to and from your site and maybe get a bike to reduce the actual cost of growing the veg.

Use raised beds.

Grow fruiting hedges around the edge of your plot.

Do more than you need for swaps with other plotters.

Looks like you've found your way through to some good advice Quants.

Here's wishing you the best of luck preparing the plot for a new growing season in the spring.

To add to the excellent advice here, don't skimp on your initial preparation. Assess your soil type (sandy, clay etc) and add as much manure, mushroom compost or whatever you can obtain. If your soil is clay, add some grit as well to help open it up. Note what parts get the sun and when, plus if water is lying in a certain area after it rains as that means a drainage issue. Get a copy of the plot rules and, lastly, enjoy but don't overdo it.

Welcome Quants!

My advice is a bit simple really: remember it's your hobby, and not your livelihood. Enjoy muchly!