For example, if you had bought some RE with HELOC funds a couple years ago and now have to service that debt at twice the rate, that could be really painful. 

through the early growing pains. 

We are now investing in an advanced CRM that will interface with our PM software for even more customization and automation - including hiring a specific expert to implement it for us.It will be a painful learning curve - short-term pain, for long-term gain.Suggest you make your list as you learn on the fly about what various softwares offer.Check these out: Buildium, Doorloop, Appfolio and Rentvine.Take your time, because switching is another painful task:(

Are they a pain to service compared to standard machines?

It is still too early to see the full extent of this damage, but I have a feeling there will be much more pain in the crypto industry in the near-term. 

So, I feel your pain.

If you're lucky enough to find an interested seller, you will need to have the tools to quickly analyze the deal, understand if the sellers motivation to sell, pain points if any, and genuinely see if you can provide them with a quick exit strategy.

Are they a pain to service compared to standard machines?

The only time there is pain is when you TRY to make things work. https://www.zillow.com/homedetails/1377-Sonoma-Dr-Altadena-C...https://www.zillow.com/homedetails/2182-Grand-Oaks-Ave-Altad...https://www.zillow.com/homedetails/1845-Coolidge-Ave-Altaden...https://www.zillow.com/homedetails/1500-Carroll-Dr-Altadena-...https://www.zillow.com/homedetails/1170-Morada-Pl-Altadena-C...

Yes, it's hard and there's pain and sometimes treatment required.