You would have to look at a second country outside the Schengen area, or have her apply for a national long-stay visa for Portugal or Sweden. The 90/180 rule applies to the entire Schengen area, unless she has a national visa.
There are parts of Europe outside Schengen, but Portugal is inside. The UK is outside Schengen, and so are Ireland and much of the ...
You will pay 30% tax on 22/30 of the profit, so in practice 22% tax on the profit. No profit means no tax.
Cooperative flats are more than 99% of the market. More info about tax on cooperative flats here: Skatteverket
If you have outstanding skills and hold a very strong job profile, you would be able to apply for a job and get a work visa in European countries and after few years receive a PR status.
If you also considering Canada, gain a Master degree and an upper band IELTS test result then go for Express Entry.
Either way, you need to be a good asset for the ...
The major carriers are:
While in Sweden you can get a prepaid SIM from any of them (except Tele2 but including Comviq) at for example Pressbyrån or 7-Eleven
but I'm afraid none of the carriers ship SIMs abroad. Registering a personnummer can be done later with the carrier for some extra benefits but is optional.
Assumptions: Since portions of your question are not clear
you are an EU-Citizen (not all European Citizens are EU Citizens)
UK is your main residence, where you have lived for 10 years, paying taxes with National Health and Pension contributions
If you have not done so already, apply for the EU Settlement Scheme
Once this process has been completed, ...
Hardly but still doable, but don't think about saving
35,000 will get you 26,000 in your bank (calculate here)
An apartment could cost around 5000
Two public transportation tickets would be around 1800, electricity 500 (heating is usually included afaik), mobile phone 200 (2 simple pre paids at 95) and you still need food, hot clothing and the occasional ...
Would I be allowed to join him there?
Maybe. At article 3(2)(b), the directive includes among its beneficiaries "the partner with whom the Union citizen has a durable relationship, duly attested." The interpretation and application of this provision are left to each country, however, and I don't know what criteria Sweden applies to the recognition of such ...