I am afraid I cannot speak to Eastern Europe, my knowledge is focused on Western Europe and particularly the British Isles, but I hope it helps. Ill outline my assumptions based on your question first - if I have misread anything please correct.

So, first off your use of commoner I am assuming means "non-noble" rather than "peasant". This is further supporting by the clarification of "limited land property" so further more they are a landowner, or at least a property owner/renter. These had a very different experience of weaponry from the poorer employed/tenent/folk. I can go into greater detail on these but will try and give a summary of: land/property owner; worker; poor unemployed. If I missed anyone you want to know about, please just ask.

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Land/property owning: You are a figure of some substance in your local area. Whether a yeoman farmer, artisan, or other skilled worker with a business, the fact you own limited property makes you susceptible to two responsibilities (in reality more but for the purposes of your question here, two). 1. You are one of the (comparatively very few people in the British Isles that pays any sort of tax, and even then very rarely. 2. You are, as a person of substance in your locality (as a rate payer) also required to perform certain duties - these include either serving in the local militia, or providing arms and equipment to substitutes if your property/responsibility is deemed high enough. Let us say you have "limited land property" in the very smallest sense. You are probably then allocated to the militia itself, and as you probably lack the resources to maintain a cavalryman, you are an infantryman. Depending on the time in history, this is likely either a pikeman or a musketeer - prestige (and money) demands the pike, sword, armour, corsets, helmet, etc. Otherwise you will be toting some form of firearm - a rudimentary matchlock firearm of some description, also a sword, and probably a buff coat of leather as protection. It is quite possible you keep these weapons at home, but if you prefer not to then you keep them at the local militia armoury where they can be maintained when you are not performing your militia duties.

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Employed/Tenant: You wont be a property owner, although you might be a skilled worker for one. If so, you are probably on the substitute list or even the active militia list for your area. This is most likely because you are seen, reliant on the status quo, as having an investment in it. Furthermore, militiamen are exempt from impressment for the army, and so if you are particularly skilled, or related, or 'useful' to the above section, ensuring you are in the militia is a way of keeping you safe. If you are not actively a militiamen, then you may be what is classified as an 'untrained' man, and part of the militia that a VERY wealth local equips. So the local gentry family that owns the local estate or manor might be responsible for fielding thirty militiamen, and you are one of those. You wont keep your weapons at home, you don't technically own any - instead either the county militia armoury will be where they are stored, or the personal armoury of your sponsor. It will likely be as an infantryman again, but wealthier people are expected to provide a certain amount of cavalry, so you could well be assigned that role. However, again your arms and equipment will be stored elsewhere

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Casual Labourer/unemployed: No. No weapons. You lack the wealth to afford them, and you lack the responsibility amongst the local community to be trusted with them from the militia. In fact you are more likely to be impressed for military service and that is only where you will receive your equipment. The likelihood of you returning home in such an instance is so remote, that if you are 'recruited' people do not expect to see you again. Sorry chum. If you are found with a weapon, the local constable is more likely to arrest you, confiscate them, and send you off to either prison or the army than anything. You lack the means or funds to maintain them in any case.

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Further reading:

Boynton, L,. The Elizabethan Militia, 1558-1638 (Routledge, 1967)

Beckett, I.F.W., Britain's Part-Time Soldiers: The Amateur Military Tradition: 1558–1945 (Pen & Sword Military, 2011)