@Rex Celle Agree with the posts here.

If there's a child who lives in the unit who has an elevated blood level, even if it came from outside the unit, and you don't have the certificates, you're going to be target #1 and you won't be covered by insurance without the certificates.So just on that issue alone, yes, even if you have to put it on credit cards, I would get those new windows in, on all the units you're renting out.

Track your spending and try cutting as much fat as possible like starbucks, booze, work lunches out, dinners out, lower cell phone, plans, get rid of cable, etc. and pay down all your debt.

It may be different on a pc vs a cell phone.

Once real estate is in your blood  - it stays forever!

If you took the pics on a cell phone you might want to invest in a clip on fish eye lens to get more of the room in each shot. 

I found a fourplex in my area, looked up the owner, and finally got his cell phone number.

It's possible to find an unpaid utility bill or cell phone on there. 

It simply unlocks or locks the door by actuating the bold lever.You can also purchase a wifi hot spot from a cell phone company and use Ring or another security camera to actually view them while they are in the property.

In the entire building those board were the only ones that were not physically removed or chemically stripped.I do know that XRF will detect that lead and have been told that I should notify an inspector/risk assessor of that situation otherwise it will be assumed that the surface of those boards are painted with lead paint.It is notable too that in the year ~1990 I had a blood level of 8 ug/dl.