What should I tackle first to make the yard ready for people?

Start with a safety check, not a wholesale clearing. If some of the vines might be poison ivy, avoid touching or cutting them until you can identify them. Don’t burn or compost suspect plants. If they’re widespread or climbing trees, getting a local professional to assess them could save a lot of trouble.

Once that’s sorted, clear ordinary debris and weeds, then mow and trim what’s safe to handle. A tidy area and a clear path will do more for hosting than trying to transform the whole yard in a few weekends.

For a one-month deadline, I’d skip the major builds. Use the existing firm, level spot for seating, clean up the edges around it, and add chairs, a small table, and a few outdoor lights. If the concrete pad is sound, it may already be your easiest gathering area.

Don’t rush into a deck or a big paver job. Those can turn into digging, drainage, and leveling projects, while simple furniture makes the space usable right away.

My order would be: remove loose debris, mow, pull or trim the weeds you can safely identify, then make the seating area look intentional. A couple of containers or a simple outdoor rug can help without committing you to planting beds or permanent landscaping.

I’d be cautious about reseeding the whole lawn on a tight schedule. New grass may not be established enough for guests, depending on the season and conditions. Patch the worst bare spots if you like, but plan on keeping people off them.

Fix anything that could trip someone before worrying about cosmetics. Mark off a sunken patch if it can’t be leveled safely in time, and don’t cover it with furniture or loose material and hope for the best.

For animal mess, secure food and rubbish and block obvious access gaps where practical. I wouldn’t buy grub treatments based only on digging. Check whether grubs are actually present before spending money on a treatment.