They commonly have investment minimums and only accept accredited investors.

“Make no mistake, this bill doesn’t do anything to change the power of local governments when it comes to dealing with good-neighbor policies that affect the neighborhood.Fischer said the measure was based on “common-sense” feedback from numerous “stakeholders.”The House plan is now headed to the floor for a vote.

In truth, we knew there were red flags with her rental history but we forged ahead thinking we had some additional protection because we share common areas with her. 

And if you're not wanting to be a land lord any more then a move to something like a DST (Delaware statutory trust) or Tenant In Common (TIC) give you an alternative that provides well within the same returns as your index fund these days while still maintaining the tax deferral of the 1031.

Typically, according to the lease, you are able to charge back expenses to the tenant, based on their pro-rata share of the property, in what is called TICAM (Taxes, Insurance, Common Area Maintenance).

I know less then zero about real estate (and real estate investing) in London unfortunately, but I will say that your planned rent vs property price would fail a common test in the US called the 1% rule. 

I ended up doing some more research yesterday and found the most common strategy would be a sub to followed by a wrap.

These are experienced investors, it is the most common mistake that we make. 

If the seller concessions max out at 3%, the seller can contribute up to 3% of $150,000, or $4,500, to help with closing costs.Here are the seller concession limits for some common loans.Conventional LoansThe limit for conventional loans depends on how much you’re putting down:If your down payment is less than 10%, the seller can contribute up to 3%.If your down payment is between 10% and 25%, the seller can contribute up to 6%.If your down payment is more than 25%, the seller can contribute up to 9%.If you’re buying an investment property, the seller’s contribution is limited to 2%, no matter what your down payment is.FHA LoansFor all FHA loans, the seller can contribute up to 6%.USDA LoansFor USDA loans, the seller can contribute up to 6% of the buyer’s loan amount.

Here, 5% (2.5 each) is very common.