Check it as a first-time visitor
Enter the bathroom and look for soap, a hand towel, toilet paper and a bin without opening private cabinets. Make these obvious before adding decorative objects. Check that the light and door operate as expected and that the sink drains normally. A guest should not need to ask where every basic item lives. Leave a spare toilet roll in a visible, appropriate place rather than making a tall decorative tower of supplies beside the toilet.
Leave a useful empty area
Set out clean, fully dry towels and show where used ones can hang. Reserve a counter patch or shelf for the guest's toiletries, keeping your own daily collection from occupying all of it. For overnight visitors, a simple empty basket may be more useful than a selection of products they did not request. Avoid decanting unidentified liquids into decorative bottles. Keep original labels so guests can decide for themselves whether a product suits their needs.
Keep the reset straightforward
Choose a modest setup that you can wash, replace and restore between visits. A washable hand towel and accessible spare supplies are easier to maintain than many small decorative linens. Explain any genuinely unusual fixture briefly rather than leaving someone to guess. After guests leave, check what was difficult to find or where their belongings naturally landed. Use that information for the next visit. Hospitality often improves by making one thing clearer, not by adding another basket of amenities.