UK Wireless Router reliability?

I live in central Scotland in an overspill village that has very good amenities. We are not remote.

However, I have had nothing but very poor Internet and mobile phone reception all these years.

With computers I have made do by using public Internet access points (cafes and my library). I know, that's incredible!

I had bought a few years ago a Vodafone Mobile Internet laptop, yet the signal is extremely slow. Indeed so slow, it takes about fifteen minutes to load just one web page. And I have been unable to update my AV signatures. Then last year I bought an Android tablet, yet that only works in a public wi-fi hotspot. And even my Vodafone mobile drops it's signal every few minutes. I've also got a T-Mobile phone, but it doesn't work inside my home.

I can't go on like this. My personal life is very much limited, plus I need to get a permanent Web connection to make a living. I know that some of my neighbours have ADSL or wireless systems.

My question is, will a wireless router definitely work for me or will I again just waste more money? Please don't say 'should work', as this is what sales people and the post code tests all state.

I promise I won't hold your confident answer against you, LOL!

Thanks very much in anticipation.